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Journal articles on the topic 'Ichthyological reserve'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

E.H., Tahirov, and Akhundov M.M. "Bioecological Characteristics of Zander-Sander Lucioperca (Linne, 1758) In The Small Gizilagach Bay of South Caspian." Journal of Life Sciences and Biomedicine 2017, no. 1 (2017): 79–82. https://doi.org/10.5281/zenodo.7887758.

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In 2009-15 in the Small of Bay South Caspian during the ichthyological research, 119 species of zander- Sander lucioperca (Linne, 1758) were caught. Their bioecological characteristics (length, weight and body fatness, age composition, length etc.) were identified. Due to the significant impact of zander, which is a predatory fish, on population dynamics of peaceful fishes, the regulation of its reserve is of great importance. To this end, the development of spinning recreational fishing in the bay is proposed.

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2

Nikolic, Natacha, Emmanuel Corse, and Nicolas Juillet. "Ichtyological diversity in a tropical nature reserve (Etang de Saint-Paul, Réunion Island) from environmental DNA (eDNA) metabarcoding." ARPHA Conference Abstracts 4 (March 4, 2021): e65462. https://doi.org/10.3897/aca.4.e65462.

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The aim of this study was to test whether the ichthyological diversity of one natural reserve in Reunion Island (Réserve de l'Etang de Saint-Paul) could be established with a molecular tool, environmental DNA (eDNA). We hence filtrated the water (2L) at 10 different areas around the reserve. For each sampling area, 12 PCR replicas were performed and the identification of fish species was carried out by metabarcoding through a primer over a mitochondrial region (12S). This study showed the importance of reference sequencing databases as well as improvements through phylogenetic analyses. This f

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3

BODJI, Iridjé Marcelle, Mamadou SORO, Lèfoungognon COULIBALY, and Konan Gervais N’ZI. "ECOLOGICAL WATER QUALITY AND BENTHIC MACROINVERTE-BRATES: IMPACT ON FISH SPAWNING GROUNDS IN LAKE BUYO, CÔTE D’IVOIRE." Journal of Applied Life Sciences and Environment 58, no. 2 (202) 2025 (2025): 287–300. https://doi.org/10.46909/alse-582176.

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This study aimed to determine the ecological quality of ichthyological spawning grounds in the Lake Buyo partial wildlife reserve, part of Taï National Park. Ichthyological spawning grounds are aquatic habitats used by fish for reproduction. In Côte d’Ivoire, knowledge of these spawning grounds was very fragmentary and mostly based on an inventory and summary description of spawning grounds. Data collection was carried out from June 2018 to May 2019 at 11 ichthyological spawning grounds. Benthic macroin-vertebrates were sampled using a Van Veen bucket and handle dip net. Ten grab samples were

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4

Ndzana Biloa, Eric Bertin, Victor Mamonekene, and Jean-Claude Micha. "Characterization of Fish Spawning Grounds near the Likouala-Aux-Herbes River, Lac Tele Community Reserve (LTCR), Republic of Congo, for Sustainable Wetland Management." Sustainability 16, no. 8 (2024): 3353. http://dx.doi.org/10.3390/su16083353.

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A land use analysis of Lac Télé Community Reserve (LTCR) using the Landsat Thematic Mapper (TM), ETM+ images (Enhance Thematic Mapper), and OLI images highlighted significant changes in plant cover between 1986, 1999, and 2019. The rate of forest area increased by 5% from 1986 to 1999 but decreased by 3% from 1999 to 2019 for the entire LTCR, benefitting the growth of savannahs, which respectively increased by 5% between 1986 to 1999 and 12% between 1999 to 2019. The conversion of this forest area to savannah due to the practice of slash and burn agriculture can be justified by the opening of

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5

Guisse, Amadou, and Farokh Niass. "Diversity and structure of the ichthyological population of the Gueumbeul Special Wildlife Reserve (Saint-Louis / Senegal)." International Journal of Biological and Chemical Sciences 14, no. 9 (2021): 3129–43. http://dx.doi.org/10.4314/ijbcs.v14i9.13.

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The Gueumbeul Special Wildlife Reserve (RSFG) is a very important eco-geographic area. It is frequented by a variety of predominantly piscivorous birds that come to occupy its waters for reproduction and food needs. The present study aimed to make an inventory of the ichthyofauna of the RSFG in order to make available the database of the different species present in this body of water. The ichthyofauna were sampled monthly from March 2019 to February 2020 with the help of artisanal fishermen. The fish populations were studied using statistical analyzes and population descriptors (species richn

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6

AHOULOU, Elie Jonathan, Yaya SORO, Constance N’Guessan DIAHA, Ahou Nindo Astrile Nerie YAO, and Konan N'DA. "Comparative Study of the Ichthyological Production between Two Hydrosystems under Protection and Open Access in Aby Lagoon, Côte d'Ivoire." Asian Journal of Fisheries and Aquatic Research 27, no. 1 (2025): 156–66. https://doi.org/10.9734/ajfar/2025/v27i1873.

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The main objective of this study is to highlight the role of fisheries management in the productivity and sustainability of fisheries-related activities. The study ran from December 2020 to May 2021 and from December 2021 to May 2022. Sampling was carried out on catches from an artisanal fishery using purse seines in both fishing environments. The results for the reserves showed a reduction in fishing effort in year 2 compared with year 1. In terms of profit per fishing trip in the reserves. The highest Catch Per Unit Effort (CPUE) was recorded in Ehoussou (3,526.87 kg) and Abiaty (2,624 kg) d

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7

Kurzhykayev, Zhumagazy, Kuanysh Syzdykov, Ainur Assylbekova, Dinara Sabdinova, and Viktor Fefelov. "Actual status of fishing reserves of the Yesil River." Zoologia 36 (October 3, 2019): 1–9. https://doi.org/10.3897/zoologia.36.e30437.

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In this article, the study and prediction of the state of fish resources in the Yesil River was carried out to determine the boundary reference points of the reserve and management decisions in case they are exceeded, to ensure sustainable fisheries and preserve biological diversity. Ichthyological studies, retrospective analyses and rankings of the effects of the water supply of the Yesil River on fish stocks have been carried out, critical values of the biomass of fishing reserves have been determined, as criteria for biologically safe fishing values and targets for management of fish stocks

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8

Oliveira, Renildo Ribeiro de, Marcelo Salles Rocha, Maeda Batista dos Anjos, Jansen Zuanon, and Lúcia H. Rapp Py-Daniel. "Fish fauna of small streams of the Catua-Ipixuna Extractive Reserve, state of Amazonas, Brazil." Check List 5, no. 2 (2009): 154. http://dx.doi.org/10.15560/5.2.154.

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This study was conducted in an Amazonas state conservation unit, the Catuá-Ipixuna Extractive Reserve (Catuá-Ipixuna RESEX). The main purpose was to provide an ichthyological survey of its small streams, all them tributaries of the Solimões River. Nine small streams (up to 4 m width and 1 m depth) were sampled in September 2006. A total of 1,525 specimens were captured, belonging to 78 species, 24 families and eight orders. Eight species had higher abundances and represented altogether 61.4 % of all collected specimens (Hemigrammus belotii, Microphilypnus amazonicus, Physopyxis ananas, Apistog

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9

Polaz, Carla, Bruno Melo, Ricardo Britzke, et al. "Fishes from the Parque Nacional do Pantanal Matogrossense, upper Paraguai River basin, Brazil." Check List 10, no. (1) (2014): 122–30. https://doi.org/10.15560/10.1.122.

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The Pantanal Biosphere Reserve contains one of the highest concentration of animal species in the Neotropics, including about 300 fish species living in diverse environments associated with wetlands in the upper Paraguai River basin. This biome spans portions of Bolivia, Brazil and Paraguay and includes the Parque Nacional do Pantanal Matogrossense (PNPM), a region of the Pantanal which has been assigned as high conservation priority in Brazil. This study reports the results of an ichthyological survey within the PNPM, where samples were taken at 12 sites during the dry season in 2001, 2010 an

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10

Oliveira, Renildo, Marcelo Rocha, Maeda Anjos, Jansen Zuanon, and Lúcia Py-Daniel. "Fish fauna of small streams of the Catua-Ipixuna Extractive Reserve, state of Amazonas, Brazil." Check List 5, no. (2) (2009): 154–72. https://doi.org/10.15560/5.2.154.

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This study was conducted in an Amazonas state conservation unit, the Catuá-Ipixuna Extractive Reserve (Catuá-Ipixuna RESEX). The main purpose was to provide an ichthyological survey of its small streams, all them tributaries of the Solimões River. Nine small streams (up to 4 m width and 1 m depth) were sampled in September 2006. A total of 1,525 specimens were captured, belonging to 78 species, 24 families and eight orders. Eight species had higher abundances and represented altogether 61.4 % of all collected specimens (<em>Hemigrammus belotii</em>, <em>Microphilypnus amazonicus</em>, <em>Phys

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11

Dvoryankin, Gennadiy, and Valeriya Alexandrovna Lukina. "Ecology, biology and nutrition of grayling (Thymallus thymallus Linnaeus, 1758) of river Sotka in Pinezhsky State Reserve." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2022, no. 4 (2022): 47–54. http://dx.doi.org/10.24143/2073-5529-2022-4-47-54.

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European grayling Thymallus thymallus (Linnaeus, 1758) is the most valuable nonmigratory species in the ichthyofauna of the Pinezhsky Reserve. The grayling’s habitat inside the specially protected natural area is the Sotka river - the main attraction in the Reserve - flowing through its karst gorges. There are presented the results of comprehensive ichthyological study of grayling population in the Sotka river. Data on the ecology, biology, linearly-weight characteristics and age structure of the population are given. It was found out that grayling prefers the water areas with a mountainous (f

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12

Kurzhykayev, Zhumagazy, Kuanysh Syzdykov, Ainur Assylbekova, Dinara Sabdinova, and Viktor Fefelov. "Actual status of fishing reserves of the Yesil River." Zoologia 36 (October 3, 2019): 1–9. http://dx.doi.org/10.3897/zoologia.36.e30437.

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Abstract:

In this article, the study and prediction of the state of fish resources in the Yesil River was carried out to determine the boundary reference points of the reserve and management decisions in case they are exceeded, to ensure sustainable fisheries and preserve biological diversity. Ichthyological studies, retrospective analyses and rankings of the effects of the water supply of the Yesil River on fish stocks have been carried out, critical values of the biomass of fishing reserves have been determined, as criteria for biologically safe fishing values and targets for management of fish stoc

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13

Euphrasie, Adou Yedehi, Blahoua Kassi Georges, Yeo Kolo, Konate Souleymane, and Tiho Seydou. "First Data of the Ichthyological Fauna in the Bandama River at the Lamto Scientific Nature Reserve (Côte d'Ivoire, West Africa)." European Scientific Journal, ESJ 19, no. 18 (2023): 190. http://dx.doi.org/10.19044/esj.2023.v19n18p190.

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Fish species composition and organization of the Bandama River at the scientific nature reserve of Lamto have been investigated for the first time. The study was conducted from March 2021 to February 2022. Gillnets and traps were used to collect fish. A total of 41 species belonging to 35 genera, 13 families, and 5 orders were captured. The best-represented orders were the Siluriformes with 5 families and 11 species and the Perciformes with 3 families and 14 species of fish. The Cichlidae, Mormyridae, and Alestidae represented the best diversified family with 13, 5, and 5 species respectively.

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14

Polaz, Carla Natacha Marcolino, Bruno F. Melo, Ricardo Britzke, et al. "Fishes from the Parque Nacional do Pantanal Matogrossense, upper Paraguai River basin, Brazil." Check List 10, no. 1 (2014): 122. http://dx.doi.org/10.15560/10.1.122.

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The Pantanal Biosphere Reserve contains one of the highest concentration of animal species in the Neotropics, including about 300 fish species living in diverse environments associated with wetlands in the upper Paraguai River basin. This biome spans portions of Bolivia, Brazil and Paraguay and includes the Parque Nacional do Pantanal Matogrossense (PNPM), a region of the Pantanal which has been assigned as high conservation priority in Brazil. This study reports the results of an ichthyological survey within the PNPM, where samples were taken at 12 sites during the dry season in 2001, 2010 an

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15

Zymaroieva, Anastasiia, Dmytro Bondarev, Olga Kunakh, Jens-Christian Svenning, and Oleksander Zhukov. "Remote Sensing Reveals Multi-Dimensional Functional Changes in Fish Assemblages Under Eutrophication and Hydrological Stress." Fishes 10, no. 7 (2025): 338. https://doi.org/10.3390/fishes10070338.

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Understanding how fish communities respond to long-term environmental changes in regulated floodplain ecosystems is essential for managing biodiversity amid increasing anthropogenic and climatic pressures. This study evaluates the spatiotemporal dynamics of functional diversity in juvenile fish assemblages within the Dnipro-Orilskiy Nature Reserve (Ukraine) from 1997 to 2015. By employing a combination of extensive ichthyological field surveys and satellite-derived environmental indices (including NDVI, chlorophyll-a, turbidity, and spectral proxies for algal blooms), we assessed the impacts o

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16

Koziy, M. "Histological characteristics of the liver of Azov roach (Rutilus rutilus Linnaeus, 1758) as a quality bioindicator of water bodies." Ribogospodarsʹka nauka Ukraïni., no. 2(60) (June 29, 2022): 70–83. http://dx.doi.org/10.15407/fsu2022.02.070.

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Purpose. To assess the variability of the histological parameters of the medial zone of roach (Rutilus rutilus) liver. To establish the level of effect of the transformed conditions of existence on fish physiological status. To determine the prospect of using histological monitoring data in ichthyological practice to assess the morphofunctional state of fish. Methodology. Primary materials were obtained in different parts of the Southern Bug River, which differ in their degrees of pollution. Lab processing of ichthyological samples was performed in accordance with generally recognized methods

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17

Fedushko, M. P., D. L. Bondarev, N. L. Gubanova, and O. V. Zhukov. "Effects of eutrophication on the long-term dynamics of juvenile fish communities." Agrology 4, no. 4 (2021): 149–64. http://dx.doi.org/10.32819/021018.

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The article reveals the patterns of the temporal dynamics of juvenile fish communities under conditions of eutrophication of water bodies. The study was conducted in the reservoirs of the nature reserve “Dniprovsko-Orilsky”. Ichthyological sampling was carried out according to standard methods used in the study of the quantitative and qualitative composition of fish communities. During the study period, representatives of 38 species of juvenile fish were established in the surveys. Numbers of fish communities showed temporal patterns and differed significantly between habitat types. At presenc

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18

Burik, V. N. "Fish of the Loach and Balitor families in the ecotopes of the Bastak Nature Reserve." Regional problems 23, no. 3 (2020): 3–9. http://dx.doi.org/10.31433/2618-9593-2020-23-3-3-9.

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The article provides the results of studying the fish fauna of the Bastak reserve. Based on the analysis of field ichthyologic collections in 2001-2019, the author described the species composition, distribution and habitat specificity in the nature reserve reservoirs - of the fish from the Cobitidae and Balitoridae families. Within the reserve and its conservation zone, it was found the habitat of four representatives of the family Cobitidae and two fish from the family Balitoridae. The research, made in 2019, first discovered the Paramisgurnus dabrianus (Dabry de Thiersant, 1872) and the rou

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19

Kotsyuk, D. V., та N. V. Kolpakov. "Тhe second Аmur complex ichthyological expedition – prerequisites and first results". Problems of Fisheries 23, № 4 (2022): 16–32. http://dx.doi.org/10.36038/0234-2774-2022-23-4-16-32.

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In 2018–2019 the second Amur ichthyological expedition has been prepared and is being conducted since 2020. The impetus for its organization was a sharp drop in the catches of Pacific salmons in the basin of the Amur River in 2017 and 2018, when after the maximum catch in 2016 (65,2 thousand tons), their catch decreased to 26,9 and 21,6 thousand tons, respectively. This required the adoption of urgent management decisions to preserve their reserves, as well as the expansion of the study of the Amur aquatic biological resources. The expedition has a complex character; the research covers the ch

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20

Demchenko, Viktor, and Nataliia Demchenko. "Fish in water bodies of the Emerald Network of Ukraine." Biolohichni systemy 11, no. 1 (2019): 53–59. http://dx.doi.org/10.31861/biosystems2019.01.053.

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The paper provides information on the structure of sites of the Emerald Network of Ukraine as special areas of conservation, focused at ensuring the protection of natural fauna, flora and habitats. The development of this network was initiated for the implementation of a set of resolutions of the Berne Convention (1979), and principles of its formation are basically similar to Natura 2000. As of 2019, a total of 271 Emerald sites were designated in Ukraine. According to studies, the water bodies of the network are inhabited by 25 fish species. The data were extracted from up-to-date ichthyolog

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21

Zadelenov, V., Yulia Forina, and Anna Borozdina. "COMMERCIAL AND BIOLOGICAL CHARACTERISTICS OF WHITEFISH IN THE RIVER BASIN PYASINA'S." Fisheries 2020, no. 6 (2020): 81–87. http://dx.doi.org/10.37663/0131-6184-2020-6-81-87.

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This publication presents the results of ichthyologic studies obtained during the inventory of the flora and fauna of the Pyasina river and The pyasinsky Bay of the Kara sea in 2016-2018. The organizer of the work is the Federal state budgetary institution "United Directorate of Taimyr nature reserves". The observed size and age characteristics of muksun, nelma, whitefish, and chira are presented. Their demographic characteristics are shown. The existing fishing on the Pyasina river is described. Purpose: to show the current size, age, and demographic

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22

Swana, Willy Lusasi, Rosette Manza Kilunda, Nadine Bipendu Muamba, Clement Munganga Kilingwa, Goslin Gafuene Nkosi, and Victor Pwema Kiamfu. "Analysis of the Ichtyological Composition of Smoked Fish Sold in the Liberté and Gambela markets in Kinshasa, Democratic Republic of Congo." Agricultural Science 2, no. 2 (2020): p69. http://dx.doi.org/10.30560/as.v2n2p69.

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The objective of this study is to analyse the ichthyological composition of smoked fish sold in the Liberté and Gambela markets in Kinshasa in the Democratic Republic of Congo through a systematic inventory. A 7-month survey was carried out among 200 smoked fish vendors in the two markets in order to extract the information sought. The results obtained show that the sale of smoked fish in Kinshasa is an activity reserved for women with a dominance of married vendors. The smoked fish sold in the two markets are diversified and belong to 6 orders, 13 families, 20 genera and 22 species. Fish belo

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23

Zadelenov, Vladimir Anatolievich, and Yulia Yurievna Forina. "Fisheries research of the Pyasina river basin." Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), no. 9 (September 1, 2020): 23–33. http://dx.doi.org/10.33920/sel-09-2009-03.

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At the end of April 2020, the largest man — made disaster in the Russian Arctic occurred-a diesel fuel spill in Norilsk. Oil products on the Ambarnaya river got to the lake. Pyasino (source of the river of the same name). To determine the extent of damage to the aquatic ecosystem of the Pyasina basin, it is necessary to know the nature and direction of previous research in the fisheries field. The aim of the work is to analyze the available open source publications in the field of fisheries research in the Pyasina basin. The history of ichthyological and hydrobiological studies of the Pyasina

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24

E.S. Seitkozhanova, S.M. Shalgimbaуeva, S.S. Barinova, et al. "Study of Charyn river naked osman (Diptychus dybowskii) nutrition and ichthyopathological analysis." International Journal of Biology and Chemistry 17, no. 1 (2024): 4–12. http://dx.doi.org/10.26577/ijbch2024v17i1-a1.

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The paper discusses the study of nutrition and ichthyopathological analysis of naked osman from the Charyn River, which is located on the territory of the Charyn State National Natural Park in the Almaty region. The naked osman belongs to the carp family. The fish does not have any scales on other part of the body exept the lateral line. The naked osman currently dwells in Kazakhstan, China, Kyrgyzstan, Uzbekistan, India, Nepal and other Asian countries. The purpose of the work is to determine the Charyn River’s food base and water condition by studying the food spectrum, fish pathology. To ca

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25

Cocan, Daniel, Vasile Otel, Catalin Latiu, Tudor Papuc, and Vioara Miresan. "A New Species of the Gobiidae Family in Transylvania Waters: Racer Goby (Babka gymnotrachelus, Kessler 1857)." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies 73, no. 2 (2016): 183. http://dx.doi.org/10.15835/buasvmcn-asb:12221.

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The racer goby (Babka gymnotrachelus) is one of the well represented Ponto-Caspian goby species in most Danube Delta Biosphere Reserve lakes and channels, including Razim-Sinoe lagoon complex and lower sector of the Danube. Also, the presence of this species is noted in some lakes near Bucharest. The presence of this species in Transylvania has not been reported until now, when our team, while conducting ichthyologic investigations, captured seven specimens from Someș River and some of its tributaries, as follows: one specimen was caught in a channel adjacent to Țaga Mare Lake, one specimen wa

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26

Nikolic, Natacha, Emmanuel Corse, and Nicolas Juillet. "Ichtyological diversity in a tropical nature reserve (Etang de Saint-Paul, Réunion Island) from environmental DNA (eDNA) metabarcoding." ARPHA Conference Abstracts 4 (March 4, 2021). http://dx.doi.org/10.3897/aca.4.e65462.

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The aim of this study was to test whether the ichthyological diversity of one natural reserve in Reunion Island (Réserve de l'Etang de Saint-Paul) could be established with a molecular tool, environmental DNA (eDNA). We hence filtrated the water (2L) at 10 different areas around the reserve. For each sampling area, 12 PCR replicas were performed and the identification of fish species was carried out by metabarcoding through a primer over a mitochondrial region (12S). This study showed the importance of reference sequencing databases as well as improvements through phylogenetic analyses. This f

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27

Hercos, Alexandre Pucci, Jonas Alves de Oliveira, Jomara Cavalcante de Oliveira, Elizabeth Kathleen de Queiroz Rodrigues, Rita Louro Barbosa, and Helder Lima de Queiroz. "Checklist of the ichthyofauna of Mamirauá Sustainable Development Reserve, Middle Solimões, Amazonas, Brazil: high richness in a large protected area of Western-Central Amazonia." Biota Neotropica 21, no. 4 (2021). http://dx.doi.org/10.1590/1676-0611-bn-2021-1207.

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Abstract: The present study reviews the records of occurrences of fish species found in the Mamirauá Sustainable Development Reserve (MSDR). The reserve is located in a large section of the middle Solimões River basin, in its interflow with Japurá River. For the elaboration of the list of fish species occurring in Mamirauá Reserve, we used a database of different studies on fish communities carried out in the area over the last three decades, in addition to the material deposited in the ichthyological collections of three scientific institutions, the National Institute for Amazon Research - IN

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Jakšić, Goran, Marina Piria, and Neven Bočić. "Identifying a Self‐Sustaining Population, Spawning Site and Population Size of the Danube Salmon Hucho hucho Using the Citizen Science Approach." Aquatic Conservation: Marine and Freshwater Ecosystems 34, no. 9 (2024). http://dx.doi.org/10.1002/aqc.4253.

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ABSTRACTThe last populations of Danube salmon (Hucho hucho) in Croatia are found in the Kupa and Una rivers. However, the size of the suitable area that could serve as the best spawning ground for the remnant Danube salmon population in these rivers is not known. This study aimed to leverage anglers' experiences to determine the sections of the Una and Kupa rivers where the last populations of Danube salmon (Hucho hucho) in Croatia are most abundant, identify potential spawning sites and assess threats that could impact the species' existence. The Kupica river emerged as a tributary of the Kup

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29

Thanh Lam, Tran, Hoang Duc Huy, and Dinh Minh Quang. "Digestive Tract Morphology, Food composition and Feeding Habits of the Giant Mudskipper Periophthalmodon schlosseri (Pallas, 1770) from the Coastline in Tran De, Soc Trang." VNU Journal of Science: Natural Sciences and Technology 35, no. 3 (2019). http://dx.doi.org/10.25073/2588-1140/vnunst.4871.

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The giant mudskipper Periophthalmodon schlosseri (Pallas, 1770) is a commercial fish and distributes in estuaries and coastline in Mekong Delta, but until now there is only a study on the growth pattern and condition factor variation of this species in Vietnam. This study was conducted in the coastline at Tran De, Soc Trang from January 2018 to December 2018 with 486 individuals were analysed to provide data on gastrointestinal morphology, food and feeding habits of this species. This species is a carnivorous fish due to RLG = 0.697 ± 0.008 SE and feeds mainly on carbs (Uca sp., 76.06%). Besid

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30

Ton, Nguyen Huu Duc, Nguyen Thi Thuy Hien, Tran Chi Canh, Dang Hoa Thao, Nguyen Thi Nha Y, and Dinh Minh Quang. "Morphological and Histological Characteristics of Testis of the Goby Glossogobius sparsipapillus Living from Coastal Estuaries from Bac Lieu to Ca Mau." VNU Journal of Science: Natural Sciences and Technology 35, no. 4 (2019). http://dx.doi.org/10.25073/2588-1140/vnunst.4958.

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This study was conducted in the coastal estuaries in Bac Lieu and Ca Mau provinces in order to provide data on morphological and histological characteristics of as well as the spermatocyte development at every stage of the development of testis of goby Glossogobius sparsipapillus. The analysis results of 226 fish individuals, collected monthly from April 2019 to September 2019 by using the bottom nets, showed that the testis of this fish was double strands. In stage I, testis was small, thin and transparent; and the weight and size of testis increased from that stage onward. The colour of the

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