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Journal articles on the topic 'Cetaceous'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Kamiya, Toshiro. "Cetaceous research memories of the Japan Sea." Nihonkai Cetology 10 (August 10, 2000): 51–54. http://dx.doi.org/10.5181/ncetology.10.0_51.

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2

F.R.S., George Gulliver. "NOTES ON A CETACEOUS; INIMAL STRANDED ON THE NORTH-EAST COAST OF IRELAND." Proceedings of the Zoological Society of London 21, no. 1 (2009): 63–67. http://dx.doi.org/10.1111/j.1469-7998.1853.tb07185.x.

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3

Barrett, Chris. "Cetaceous Sin and Dragon Death: The Faerie Queene, Natural Philosophy, and the Limits of Allegory." Spenser Studies 28 (January 2013): 145–64. http://dx.doi.org/10.7756/spst.028.006.145-164.

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4

Mohammad Jamil Ali Al-Talabani. "Stratigraphic study of Qalqula Formation, Sulaymaniyah Governorate - NE Iraq." Tikrit Journal of Pure Science 23, no. 10 (2019): 60–65. http://dx.doi.org/10.25130/tjps.v23i10.564.

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Qulqula Formation studied in Suren mountain - Sulaymaniyah- NE Iraq. 10 samples collected from the outcrop near Kani Seif Hamid area. Petrographic and mineralogical investigation carried out, thin sections, X- ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Analysis (EDX) samples were prepared and analysed in Wollongong University-Australia. Preliminary results show that the lower part of Qulqula Formation in the studied section undergo severe recrystallization and partly dolomitized. In addition, from chronostratigraphic viewpoint, Qulqula Formation i

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Jamil Ali Al-Talabani, Mohammad. "Stratigraphic study of Qalqula Formation, Sulaymaniyah Governorate - NE Iraq." Tikrit Journal of Pure Science 23, no. 10 (2019): 60. http://dx.doi.org/10.25130/j.v23i10.758.

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Qulqula Formation studied in Suren mountain - Sulaymaniyah- NE Iraq. 10 samples collected from the outcrop near Kani Seif Hamid area. Petrographic and mineralogical investigation carried out, thin sections, X- ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Analysis (EDX) samples were prepared and analysed in Wollongong University-Australia. Preliminary results show that the lower part of Qulqula Formation in the studied section undergo severe recrystallization and partly dolomitized. In addition, from chronostratigraphic viewpoint, Qulqula Formation i

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6

Alkubaisi, Basim. "An Integrative Modeling Approach to Estimating Volume of Generated Oil from Lower Cretaceous Sulaiy Formation in Southern Iraq." Iraqi Geological Journal 54, no. 1C (2021): 114–36. http://dx.doi.org/10.46717/igj.54.1c.9ms-2021-03-29.

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Thermal maturity and petroleum generation capacity of the source rocks of Lower Cretaceous Sulaiy Formation were studied and evaluated via modeling the thermal maturation of ten wells in this study by using the Arrhenius equation for chemical reactions or (time-temperature index of thermal maturation). A thermal maturation map of the Sulaiy Formation shows that it a high maturity level increasing eastward; also, the geochemical analysis indicated suitable organic content in quantity and quality to generate hydrocarbons. The onset of oil migration from the Sulaiy Formation is calculated by this

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7

Zhou, Jian-Bo, Wei Han, Ming-Chun Song, and Long Li. "Zircon U-Pb ages of the cetaceous sedimentary rocks in the Laiyang Basin, eastern China and their tectonic implications." Journal of Asian Earth Sciences 194 (June 2020): 103956. http://dx.doi.org/10.1016/j.jseaes.2019.103956.

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8

Jeong, Chanho, Yujin Lee, Yongcheon Lee, Sangwon Ahn, and Keisuke Nagao. "Geochemical Composition, Source and Geothermometry of Thermal Water in the Bugok Area, South Korea." Water 14, no. 19 (2022): 3008. http://dx.doi.org/10.3390/w14193008.

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Thermal water from the hot springs around Bugok, South Korea, has the highest discharge temperature (78 °C), and the source of that heat is of primary interest. The key 3He/4He ratio runs along a single air-mixing line between the mantle and the crust, with the latter accounting for 97.0–97.3%. This suggests that the thermal source is radioactive decay in granodiorite, rock that intruded beneath the Cetaceous era sedimentary rock. Thermal water containing Na–HCO3 (SO4) evolved geochemically from stream water and groundwater containing Ca–HCO3. With respect to δ34S, there are two types of therm

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9

Devi, Suman, Sangeeta, and Beena Kumari. "Emugel for topical drug delivery: A novel approach." GSC Biological and Pharmaceutical Sciences 11, no. 3 (2020): 104–14. https://doi.org/10.5281/zenodo.4271241.

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Over the last decades the treatment of disease has been accomplished by administering drug to human body via various routes namely oral, sublingual, rectal and parental etc. The topical drug delivery system generally used when the systems of drug administration fails or in local infection like fungal infection. The topical application of the drug offer the potential advantages for delivering the drug directly to the site of action and delivering the drug for extended period of time at the affected site that mainly acts at the related region. Topical drug delivery can be defined as the applicat

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10

Wursig, B. "Cetaceans." Science 244, no. 4912 (1989): 1550–57. http://dx.doi.org/10.1126/science.2662403.

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11

McLachlan, Helen. "Stranded Cetaceans." Veterinary Nursing Journal 14, no. 1 (1999): 24–25. http://dx.doi.org/10.1080/17415349.1999.11012989.

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12

Gross, Michael. "Cultured cetaceans." Current Biology 27, no. 22 (2017): R1193—R1196. http://dx.doi.org/10.1016/j.cub.2017.11.002.

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13

Purba, Andri Octapianus, IGB Sila Dharma, and Elok Faiqoh. "Sebaran dan Keanekaragaman Cetacea saat Musim Timur di Perairan Tejakula, Buleleng, Bali." Journal of Marine and Aquatic Sciences 6, no. 2 (2020): 222. http://dx.doi.org/10.24843/jmas.2020.v06.i02.p9.

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Cetaceans are marine mammals whose entire life is in marine and fresh waters. Cetaceans consist of whales, dolphins, and porpois. The distribution of cetaceans is a matter that shows the points of emergence of cetaceans in a waters. Diversity index is to determine the diversity of a group by looking at the number of species in a group. The waters of Tejakula Subdistrict are one of the waters in North Bali. The waters of North Bali is one of the waters which has become a migration path for several species of cetaceans. As a cetacean migration pathway, there are many occurrences of cetaceans in

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14

Tsang, Kenneth W., Reimi Kinoshita, Natalie Rouke, Queeny Yuen, Wayne Hu, and Wah K. Lam. "Bronchoscopy of Cetaceans." Journal of Wildlife Diseases 38, no. 1 (2002): 224–27. http://dx.doi.org/10.7589/0090-3558-38.1.224.

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15

Tsagkogeorga, Georgia, Michael R. McGowen, Kalina T. J. Davies, et al. "A phylogenomic analysis of the role and timing of molecular adaptation in the aquatic transition of cetartiodactyl mammals." Royal Society Open Science 2, no. 9 (2015): 150156. http://dx.doi.org/10.1098/rsos.150156.

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Recent studies have reported multiple cases of molecular adaptation in cetaceans related to their aquatic abilities. However, none of these has included the hippopotamus, precluding an understanding of whether molecular adaptations in cetaceans occurred before or after they split from their semi-aquatic sister taxa. Here, we obtained new transcriptomes from the hippopotamus and humpback whale, and analysed these together with available data from eight other cetaceans. We identified more than 11 000 orthologous genes and compiled a genome-wide dataset of 6845 coding DNA sequences among 23 mamma

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Zheng, Jialu, Jianhua Wang, Zhen Gong, and Guan-Zhu Han. "Molecular fossils illuminate the evolution of retroviruses following a macroevolutionary transition from land to water." PLOS Pathogens 17, no. 7 (2021): e1009730. http://dx.doi.org/10.1371/journal.ppat.1009730.

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The ancestor of cetaceans underwent a macroevolutionary transition from land to water early in the Eocene Period >50 million years ago. However, little is known about how diverse retroviruses evolved during this shift from terrestrial to aquatic environments. Did retroviruses transition into water accompanying their hosts? Did retroviruses infect cetaceans through cross-species transmission after cetaceans invaded the aquatic environments? Endogenous retroviruses (ERVs) provide important molecular fossils for tracing the evolution of retroviruses during this macroevolutionary transition. He

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17

Amalo, Priscilla Princessa, I. Dewa Nyoman Nurweda Putra, and I. Nyoman Giri Putra. "Frekuensi Pemunculan, Tingkah laku, dan Diversitas Cetacea di Perairan sekitar Labuan Bajo, Flores, Nusa Tenggara Timur." Journal of Marine Research and Technology 6, no. 2 (2023): 130. http://dx.doi.org/10.24843/jmrt.2023.v06.i02.p08.

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    At least 30 cetaceans live in Indonesia, especially in the eastern waters of Indonesia, consisting of whales and dolphins. Cetaceans play an important role as a key species in determining the health of marine ecosystems. This study aims to determine the frequency of appearance, behavior, and diversity of cetaceans along Labuan Bajo, Flores, and East Nusa Tenggara. The study was conducted in October-November 2021, with four weeks to collect field data and interviews. The data involved a ship carrying a group of observers consisting of four people, with each task assi

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18

Marino, Lori. "Cetaceans would be an interesting comparison group." Behavioral and Brain Sciences 24, no. 2 (2001): 290–91. http://dx.doi.org/10.1017/s0140525x01353955.

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One of the mammalian groups absent from the Finlay et al. study is cetaceans (dolphins, whales, and porpoises). Inclusion of cetaceans would be useful for assessing the generalizability of the authors' conclusions. Recent findings suggest dolphins may differ from the general pattern observed by Finlay et al. I encourage Finlay and her colleagues to include developmental neurobiological data on cetaceans, when available.

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19

Kuczaj, Stan. "Cetacean culture: Slippery when wet." Behavioral and Brain Sciences 24, no. 2 (2001): 340–41. http://dx.doi.org/10.1017/s0140525x01403967.

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Cetaceans are likely candidates for social learning and culture. Meager experimental evidence suggests that some cetaceans possess the requisite cognitive skills for social learning. Equally sparse ethnographic data provide clues about possible outcomes of social learning. Although the available evidence is consistent with the notion of culture in cetaceans, caution is warranted due to the many gaps in the data.

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20

Ding, Xiaoyue, Fangfang Yu, Xiaofang He, Shixia Xu, Guang Yang, and Wenhua Ren. "Rubbing Salt in the Wound: Molecular Evolutionary Analysis of Pain-Related Genes Reveals the Pain Adaptation of Cetaceans in Seawater." Animals 12, no. 24 (2022): 3571. http://dx.doi.org/10.3390/ani12243571.

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Pain, usually caused by a strong or disruptive stimulus, is an unpleasant sensation that serves as a warning to organisms. To adapt to extreme environments, some terrestrial animals have evolved to be inherently insensitive to pain. Cetaceans are known as supposedly indifferent to pain from soft tissue injury representatives of marine mammals. However, the molecular mechanisms that explain how cetaceans are adapted to pain in response to seawater environment remain unclear. Here, we performed a molecular evolutionary analysis of pain-related genes in selected representatives of cetaceans. ASIC

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21

Gilman, Eric, Nigel Brothers, Geof McPherson, and Paul Dalzell. "A review of cetacean interactions with longline gear." J. Cetacean Res. Manage. 8, no. 2 (2023): 215–23. http://dx.doi.org/10.47536/jcrm.v8i2.717.

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Fishery-cetacean interactions, including those with longline gear, give rise to economic, ecological and social concerns. This paper reviews problems resulting from cetacean-longline interactions, considers potential strategies to reduce interactions and identifies research priorities and approaches. Depredation by cetaceans (removal and damage of hooked fish and bait from fishing gear) and damage and loss of fishing gear create economic problems; however, the magnitude of this problem is poorly understood. There is also insufficient information to determine whether there are population-level

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22

Mercado, Eduardo, and Caroline M. DeLong. "Experiments are the key to understanding socially acquired knowledge in cetaceans." Behavioral and Brain Sciences 24, no. 2 (2001): 345. http://dx.doi.org/10.1017/s0140525x01453969.

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We agree with Rendell and Whitehead that cetaceans acquire knowledge from caretakers and peers, and that a clear understanding of this process can provide insight into the evolution of mammalian cognition. The passive observational methods they advocate, however, are inadequate for determining what cetaceans know. Only by experimentally investigating the cognition of cetaceans can we hope to understand what they learn through social interactions.

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23

Radu, Gheorghe, and Eugen Anton. "Impact of turbot fishery on cetaceans in the Romanian Black Sea area." Scientia Marina 78, S1 (2014): 103–9. http://dx.doi.org/10.3989/scimar.04029.27a.

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24

Thewissen, J. G. M., Jennifer D. Sensor, Mark T. Clementz, and Sunil Bajpai. "Evolution of dental wear and diet during the origin of whales." Paleobiology 37, no. 4 (2011): 655–69. http://dx.doi.org/10.1666/10038.1.

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Dental morphology changes dramatically across the artiodactyl-cetacean transition, and it is generally assumed that this reflects the evolutionary change from herbivory and omnivory to carnivory. To test hypotheses regarding tooth function and diet, we studied size and position of wear facets on the lower molars and the stable isotopes of enamel samples. We found that nearly all investigated Eocene cetaceans had dental wear different from typical wear in ungulates and isotope values indicating that they hunted similar prey and processed it similarly. The only exception is the protocetid Babiac

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25

Reggente, Melissa A. L. V., Elena Papale, Niall McGinty, Lavinia Eddy, Giuseppe Andrea de Lucia, and Chiara Giulia Bertulli. "Social relationships and death-related behaviour in aquatic mammals: a systematic review." Philosophical Transactions of the Royal Society B: Biological Sciences 373, no. 1754 (2018): 20170260. http://dx.doi.org/10.1098/rstb.2017.0260.

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Some aquatic mammals appear to care for their dead, whereas others abandon their live offspring when conditions are unfavourable. This incredible variety in behaviours suggests the importance of comparing and contrasting mechanisms driving death-related behaviours among these species. We reviewed 106 cases of aquatic mammals (81 cetaceans and 25 non-cetaceans) reacting to a death event, and extrapolated ‘participant’ ( age class , sex , relationship and decomposition ) and ‘social’ characteristics ( escorting , calf dependence , alloparental care , herding and dispersal patterns ) from publish

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26

Marmontel, Miriam. "An issue on Cetaceans." Latin American Journal of Aquatic Mammals 17, no. 1 (2022): 1. http://dx.doi.org/10.5597/lajam00275.

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27

Begeman, L., J. A. St Leger, D. J. Blyde, et al. "Intestinal Volvulus in Cetaceans." Veterinary Pathology 50, no. 4 (2012): 590–96. http://dx.doi.org/10.1177/0300985812465327.

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28

Knight, K. "Cetaceans squeal with delight." Journal of Experimental Biology 217, no. 16 (2014): 2815–16. http://dx.doi.org/10.1242/jeb.111559.

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29

Simmonds, Mark. "Agreement for small cetaceans." Oryx 32, no. 1 (1998): 13. http://dx.doi.org/10.1046/j.1365-3008.1998.00010.x.

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30

Jordan, Bill. "Commercial killing of cetaceans." Animal Welfare 1, no. 4 (1992): 311–12. http://dx.doi.org/10.1017/s0962728600015396.

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Sir, Might I respond to the suggestion in the Reports and comments section (Animal Welfare 1992, 1: 224-225) that the recent findings of the International Whaling Commission (IWC) study of commercial killing methods should be of interest.

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31

Terabayashi, Takashi, Tadao Ogawa, and Yasuhiro Kawanishi. "Brain gangliosides of cetaceans." Comparative Biochemistry and Physiology Part B: Comparative Biochemistry 95, no. 1 (1990): 199–204. http://dx.doi.org/10.1016/0305-0491(90)90271-t.

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32

Gallup, Jr ,. Gordon G. "Mirrors, Minds, and Cetaceans." Consciousness and Cognition 4, no. 2 (1995): 226–28. http://dx.doi.org/10.1006/ccog.1995.1028.

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33

Chung, Tabris Yik-To, Heysen Hei-Nam Ho, Henry Chun-Lok Tsui, and Brian Chin-Wing Kot. "First Unmanned Aerial Vehicle Observation of Epimeletic Behavior in Indo-Pacific Humpback Dolphins." Animals 12, no. 11 (2022): 1463. http://dx.doi.org/10.3390/ani12111463.

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Epimeletic behavior has been reported in various species of cetaceans and sometimes in wild populations during vessel-based surveys. Epimeletic behavior in cetaceans involves complex social interactions which have been described using observational and acoustic studies. The recent advances in unmanned aerial vehicle (UAV) technology allowed its application in wildlife research and frequently in cetaceans in conjunction with vessel-based surveys. This article is the first report of intraspecific epimeletic behavior of Indo-Pacific humpback dolphins (Sousa chinensis) in Hong Kong waters using a

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34

LUQUE, JOSÉ L., LUÍS C. MUNIZ-PEREIRA, SALVATORE SICILIANO, LIEGE R. SIQUEIRA, MAGDA S. OLIVEIRA, and FABIANO M. VIEIRA. "Checklist of helminth parasites of cetaceans from Brazil." Zootaxa 2548, no. 1 (2010): 57. http://dx.doi.org/10.11646/zootaxa.2548.14.

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Based on published records and unpublished information retrieved from the Helminthological Collection of the Oswaldo Cruz Institute (CHIOC), a checklist of the helminth parasites of cetaceans from Brazil was generated. A total of 215 records of 18 species of helminths were associated with 22 species of cetaceans in Brazil. Six species determined only to genus were also included. The majority of these helminth species are nematodes (33.3%) and trematodes (33.3%), which total 66.6% of the helminth fauna of cetaceans from Brazil. The Acanthocephala represents 22.2% of species, and the Cestoda 11.

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35

Eckhart, Leopold, Florian Ehrlich, and Erwin Tschachler. "A Stress Response Program at the Origin of Evolutionary Innovation in the Skin." Evolutionary Bioinformatics 15 (January 2019): 117693431986224. http://dx.doi.org/10.1177/1176934319862246.

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The skin epithelium, ie, the epidermis, of dolphins and whales (cetaceans) is up to 50 times thicker than that of humans and other mammals living on land. Recently, comparative genomics revealed further striking differences in the cytoskeleton of the outer layers of the epidermis in aquatic and terrestrial mammals. Cetaceans lack the cytoskeletal keratins, which make up more than half of the total protein mass in the cornified epidermal layer of terrestrial mammals under homeostatic conditions. By contrast, orthologs of stress-inducible epithelial keratins are conserved in cetaceans and these

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36

Mangel, Jeffrey C., Joanna Alfaro-Shigueto, Matthew J. Witt, David J. Hodgson, and Brendan J. Godley. "Using pingers to reduce bycatch of small cetaceans in Peru's small-scale driftnet fishery." Oryx 47, no. 4 (2013): 595–606. http://dx.doi.org/10.1017/s0030605312000658.

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AbstractThere is growing awareness that small-scale fisheries may have large impacts on threatened marine fauna. Bycatch of small cetaceans by the Peruvian small-scale driftnet fleet results in the deaths of thousands of animals annually. We sought to assess the effectiveness of acoustic alarms (pingers) for reducing the incidental capture of dolphins and porpoises by this fleet. Forty-three experimental trips (156 fishing sets) and 47 control trips (195 fishing sets) out of Salaverry Port, northern Peru, were observed from April 2009 to August 2011. Twenty-two percent of control sets captured

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37

Silva, Alexandra, Laura Wise, Marisa Ferreira, Mónica A. Silva, and Marina Sequeira. "Interactions between small cetaceans and the purse-seine fishery in western Portuguese waters." Scientia Marina 71, no. 2 (2007): 405–12. http://dx.doi.org/10.3989/scimar.2007.71n2405.

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38

Battistini, Roberta, Chiara Masotti, Federica Giorda, et al. "Photobacterium damselae subsp. damselae in Stranded Cetaceans: A 6-Year Monitoring of the Ligurian Sea in Italy." Animals 14, no. 19 (2024): 2825. http://dx.doi.org/10.3390/ani14192825.

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Photobacterium damselae subsp. damselae (Pdd) is an increasingly common bacterium in post-mortem diagnostics of beached marine mammals, but little is known about its precise etiological responsibility. To estimate the prevalence of Pdd in stranded cetaceans from 2017 to 2022 on the Ligurian coast (Pelagos Sanctuary), we tested tissues from 53 stranded individuals belonging to four cetacean species. DNA extracts from cetacean tissue were screened using a polymerase chain reaction (PCR) assay targeting the Pdd ureC gene. Positive samples were screened by PCR for dly, hlyApl and hlyAch hemolysin

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Garcia-Bustos, Victor, Inmaculada Rosario Medina, Marta Dafne Cabañero Navalón, Alba Cecilia Ruiz Gaitán, Javier Pemán, and Begoña Acosta-Hernández. "Candida spp. in Cetaceans: Neglected Emerging Challenges in Marine Ecosystems." Microorganisms 12, no. 6 (2024): 1128. http://dx.doi.org/10.3390/microorganisms12061128.

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Cetaceans, which are crucial in marine ecosystems, act as sentinels for ecosystem and human–environmental health. However, emerging fungal infections, particularly by Candida spp., pose a growing concern in these marine mammals. This review consolidates current knowledge on the prevalence, clinical manifestations, species distribution, and antifungal resistance of Candida infections in cetaceans. We detail the diverse pathogenic impacts of Candida, including respiratory, dermal, and systemic afflictions, underscoring diagnostic and treatment challenges amid rising antifungal resistance. Our an

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40

Couzens, Ed. "Size Still Matters, Although It Shouldn’t: The Debate on Small Cetaceans, IWC 65, and Monaco’s Resolution on Highly Migratory Cetaceans." Transnational Environmental Law 6, no. 2 (2016): 363–74. http://dx.doi.org/10.1017/s204710251600008x.

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AbstractThis commentary is an update to an article in an earlier issue of Transnational Environmental Law (E. Couzens, ‘Size Matters, Although It Shouldn’t: The IWC and Small Cetaceans. A Reply to Stephenson, Mooers and Attaran’ (2014) 3(2) Transnational Environmental Law, pp. 265–78) on the treatment of small cetaceans by the International Whaling Commission (IWC). That article discussed an unsuccessful proposal submitted by Monaco, at the 64th meeting of the IWC in 2012, for a resolution on highly migratory cetaceans. Monaco renewed its proposal in 2014 and, on that occasion, did generate su

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41

Minh, T. B., M. S. Prudente, M. Watanabe, et al. "Recent contamination of persistent chlorinated endocrine disrupters in cetaceans from the North Pacific and Asian coastal waters." Water Science and Technology 42, no. 7-8 (2000): 231–40. http://dx.doi.org/10.2166/wst.2000.0574.

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To elucidate the global distribution and toxicological impacts of persistent organochlorines (OCs) on cetaceans, the present study determined the concentrations of organochlorine pesticides such as DDT and its metabolites (DDTs), hexachlorocyclohexane isomers (HCHs), hexachlorobenzene (HCB), chlordane compounds (CHLs) and PCBs including toxic coplanar congeners in the blubber of 10 species of adult male odontoceti cetaceans collected from several locations in the North Pacific Ocean and coastal waters of Japan, Hong Kong, Philippines and India during 1985–1997. Concentrations of tris(4-chlorop

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42

Beneditto, Ana Paula Madeira Di, Renata Maria Arruda Ramos, and Neuza Rejane Wille Lima. "Fishing activity in Northern Rio de Janeiro State (Brazil) and its relation with small cetaceans." Brazilian Archives of Biology and Technology 41, no. 3 (1998): 296–302. http://dx.doi.org/10.1590/s1516-89131998000300004.

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Research on fishing activity at Atafona village, in Northern Rio de Janeiro, Brazil (21°35'S), was carried out between 1987-96 for the purpose of relating it to the accidental capture of small cetaceans and of estimating the relationship between fishing activity and the diet of small cetaceans. Data on fishing operations were obtained at the cold storage plants management, from interviews with fishermen and personal observations. The most representative fishing resources were Xyphopenaeus kroyeri, Micropogonias furnieri, Carcharhinus plumbeus, C. acronotus,and Rhizoprionodon porosus. Gillnets

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43

Souza, Shirley Pacheco de. "Payment for Environmental Services, fishers and cetaceans’ conservation." Labor e Engenho 7, no. 4 (2013): 5–12. http://dx.doi.org/10.20396/lobore.v7i4.162.

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The interactions between fisheries and cetaceans have been widely discussed by several authors. Bycatch of small cetaceans is frequent around the world, threatening several species. In Brazil, in two critical areas– Soure(Marajó Island) and São Sebastião - more than 70% of the local fishers (n= 40 and n=70, respectively) interviewed in a previous study reported bycatch of Guiana dolphin (Sotalia guianensis) or Franciscana dolphin (Pontoporia blainvillei) in gillnets. Other negative interaction involving fisheries and cetaceans is the entanglement of Southern right whales in fishing nets during

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Hsieh, Meng-Jung, and Wei-Cheng Yang. "A Field-Deployable Insulated Isothermal PCR (iiPCR) for the Global Surveillance of Toxoplasma gondii Infection in Cetaceans." Animals 12, no. 4 (2022): 506. http://dx.doi.org/10.3390/ani12040506.

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Toxoplasmosis is a zoonotic disease with veterinary and public health importance worldwide. Toxoplasma gondii infection in cetaceans is an indicator of land-to-sea oocyst pollution. However, there is a critical knowledge gap within the distribution of the T. gondii infection in cetaceans. To facilitate the global surveillance of this important zoonotic pathogen, we developed a field-deployable duplex insulated isothermal PCR (iiPCR) with automated magnetic bead-based DNA extraction for the on-site detection of T. gondii in stranded cetaceans. It targets the B1 gene of T. gondii combined with β

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Fernández, Antonio, Nakita Câmara, Eva Sierra, et al. "Cetacean Intracytoplasmic Eosinophilic Globules: A Cytomorphological, Histological, Histochemical, Immunohistochemical, and Proteomic Characterization." Animals 13, no. 13 (2023): 2130. http://dx.doi.org/10.3390/ani13132130.

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The nature, etiopathogenesis, and clinicopathologic relevance of the prevalent intracytoplasmic eosinophilic globules (IEGs) within hepatocytes of cetaceans are unknown. This study aims to evaluate the presence and characterize the IEGs in the hepatocytes of cetaceans using histochemical and immunohistochemical electron microscopy, Western blot, lectin histochemistry, and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry techniques. A total of 95/115 (83%) animals (16 species) exhibited histologically evident intracytoplasmic round to oval, single to multiple, hyalin

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Almunia, Javier, and Marta Canchal. "Cetacean Sanctuaries: Do They Guarantee Better Welfare?" Journal of Zoological and Botanical Gardens 6, no. 1 (2025): 4. https://doi.org/10.3390/jzbg6010004.

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The SEA LIFE Trust Beluga Whale Sanctuary (BWS) has been in operation for over five years and serves as a unique case study to evaluate the effectiveness of marine sanctuaries for cetaceans. While cetacean sanctuaries are often regarded as a middle-ground solution between captivity and release, evidence from the BWS highlights complexities in adapting cetaceans to these environments. Despite initial assumptions that natural conditions would inherently improve welfare, the belugas at the BWS spent the majority of the operational period (92.6%) in a conventional indoor pool, due to health and we

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Naylor, Whitney, and E. C. M. Parsons. "An International Online Survey on Public Attitudes Towards the Keeping of Whales and Dolphins in Captivity." Tourism in Marine Environments 14, no. 3 (2019): 133–42. http://dx.doi.org/10.3727/154427319x15627970573318.

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In 2015, an international online survey was conducted to investigate public attitudes on keeping cetaceans in captivity (N = 858). Respondents were significantly (p < 0.001) more likely to be opposed to displaying dolphins and whales in marine theme parks and aquariums (opposed to captive display: 54.4%; support captive display: 45.5%). Only 5% of respondents from the US stated they "strongly support" (with 33.3% "support") keeping dolphins and whales in marine theme parks and aquariums, while 21% of participants from India did so (43.4% "support"). Participants that support cetaceans in ca

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Solomando, Antònia, Francisca Pujol, Antoni Sureda, and Samuel Pinya. "Evaluating the Presence of Marine Litter in Cetaceans Stranded in the Balearic Islands (Western Mediterranean Sea)." Biology 11, no. 10 (2022): 1468. http://dx.doi.org/10.3390/biology11101468.

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The global distribution and presence of plastic, at all levels of the water column, has made plastic debris one of today’s greatest environmental challenges. The ingestion and entanglement of plastic-containing marine debris has been documented in more than 60% of all cetacean species. In light of the increasing pressure on cetaceans, and the diversity of factors that they face, the aim of this work is to provide evidence of the impact of plastic debris on stranded cetaceans, in terms of ingestion and entanglement, in the Balearic Islands for the first-time. Detailed examinations, necropsies,

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Liang, Lu, Yong-Yi Shen, Xiao-Wei Pan, et al. "Adaptive Evolution of the Hox Gene Family for Development in Bats and Dolphins." PLoS ONE 8, no. 6 (2013): e65944. https://doi.org/10.5281/zenodo.13447858.

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(Uploaded by Plazi for the Bat Literature Project) Bats and cetaceans (i.e., whales, dolphins, porpoises) are two kinds of mammals with unique locomotive styles and occupy novel niches. Bats are the only mammals capable of sustained flight in the sky, while cetaceans have returned to the aquatic environment and are specialized for swimming. Associated with these novel adaptations to their environment, various development changes have occurred to their body plans and associated structures. Given the importance of Hox genes in many aspects of embryonic development, we conducted an analysis of th

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Liang, Lu, Yong-Yi Shen, Xiao-Wei Pan, et al. "Adaptive Evolution of the Hox Gene Family for Development in Bats and Dolphins." PLoS ONE 8, no. 6 (2013): e65944. https://doi.org/10.5281/zenodo.13447858.

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Abstract:

(Uploaded by Plazi for the Bat Literature Project) Bats and cetaceans (i.e., whales, dolphins, porpoises) are two kinds of mammals with unique locomotive styles and occupy novel niches. Bats are the only mammals capable of sustained flight in the sky, while cetaceans have returned to the aquatic environment and are specialized for swimming. Associated with these novel adaptations to their environment, various development changes have occurred to their body plans and associated structures. Given the importance of Hox genes in many aspects of embryonic development, we conducted an analysis of th

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