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Littérature scientifique sur le sujet « Tetrapturus belone »

Auteur : Grafiati

Publié le 14 mars 2023

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Articles de revues sur le sujet "Tetrapturus belone"

Castriota, Luca, Maria Grazia Finoia, Silvana Campagnuolo, Teresa Romeo, Antonio Potoschi et Franco Andaloro. « Diet of Tetrapturus belone (Istiophoridae) in the central Mediterranean Sea ». Journal of the Marine Biological Association of the United Kingdom 88, n^o 1 (février 2008) : 183–87. http://dx.doi.org/10.1017/s0025315408000106.

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The stomach contents of 69 Mediterranean spearfish Tetrapturus belone collected in the Strait of Messina, central Mediterranean Sea were examined. Of the total specimens, caught by harpoon, only three stomachs were empty. Their diet consisted mainly of pelagic fish and cephalopods. The most important piscine prey belonged to the families of Belonidae, Clupeidae and Scomberesocidae. Cephalopods were mainly represented by Tremoctopus violaceus in terms of per cent weight and by Illex coindetii in terms of per cent frequency of occurrence. Tetrapturus belone is an active predator on epipelagic fast-moving prey and school-forming species. Its ecological role is similar to that of other large pelagic species which share the same environment.

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Arostegui, Martin C., Camrin D. Braun et Peter Gaube. « Movement and thermal niche of the first satellite‐tagged Mediterranean spearfish ( Tetrapturus belone ) ». Fisheries Oceanography 28, n^o 3 (14 novembre 2018) : 327–33. http://dx.doi.org/10.1111/fog.12413.

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Romeo, Teresa, Pierpaolo Consoli, Luca Castriota et Franco Andaloro. « An evaluation of resource partitioning between two billfish, Tetrapturus belone and Xiphias gladius, in the central Mediterranean Sea ». Journal of the Marine Biological Association of the United Kingdom 89, n^o 4 (7 août 2008) : 849–57. http://dx.doi.org/10.1017/s0025315408002087.

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The present study attempts to give information on the resource partitioning between the Mediterranean spearfish (Tetrapturus belone) and the swordfish (Xiphias gladius). The contents of 53 T. belone and 95 X. gladius non-empty stomachs were analysed from specimens caught in the central Mediterranean Sea (Strait of Messina), from 2004 to 2006, by the harpoon fishery. Daily catches (expressed as number of fish) showed the contemporary occurrence of both species in the studied area then allowing direct comparison of diets. Epipelagic fish were the dominant prey (%IRI = 99.1) of T. belone. Eight families were identified among them, with the dominance of Belonidae and Clupeidae, which represented 40.9% and 36.8%, respectively, of the total preyed items in terms of %IRI and were mostly composed of Sardinella aurita and Belone belone.Xiphias gladius preyed mainly on teleosts and cephalopods, which represented 59% and 39.1%, respectively, of the total preyed items in terms of %IRI. Eleven teleost and five cephalopod families were recognized among them with the dominance of Trichiuridae (IRI% = 30.5) and Ommastrephidae (IRI% = 27.6). The first was represented only by Lepidopus caudatus (IRI% = 30.5), while the latter by the squid Todarodes sagittatus (IRI% = 21.1) and Illex coindettii (IRI% = 6.5). Results of a multivariate statistical analysis demonstrated that the dietary compositions differed significantly between swordfish and spearfish. Diet overlap analysed with the Schoener and Horn indices showed low values (0.23 and 0.21 for the two indices) underlining a food partitioning that prevents competitive exclusion. Our results highlight a feeding strategy that is more related to the habitat of the species than to the food availability. In fact, migration patterns of the two predators are quite different. Swordfish show vertical migrations from 0 to 800 m while spearfish are characterized by limited migrations, ranging between 0 and 200 m depths. The observation of specific prey items in the stomach content of both billfish confirmed the bathymetric range of their migrations.

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Malara, Danilo, Pietro Battaglia, Pierpaolo Consoli, Erika Arcadi, Simonepietro Canese, Silvestro Greco, Franco Andaloro et Teresa Romeo. « Evidence of a predation event on a tagged Mediterranean spearfish (Tetrapturus belone ; Pisces, Istiophoridae), inferred from pop-up satellite tagging data ». Aquatic Living Resources 33 (2020) : 23. http://dx.doi.org/10.1051/alr/2020024.

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The Strait of Messina is located at the centre of the Mediterranean Sea and is considered a biodiversity hotspot and an obligatory seasonal passage for different pelagic species such as sharks, marine mammals, and billfishes. For the first time, in the Strait of Messina, our research group tagged a Mediterranean spearfish (Tetrapturus belone) using a pop-up satellite archival tag (PSAT). The observation of abiotic parameters (depth, light, and temperature) recorded by the PSAT confirmed that the tagged specimen was predated after about nine hours. The tag was then regurgitated 14 days after the tag deployment date. The analysis of collected data seems to indicate that the predator may be an ectothermic shark, most likely the bluntnose sixgill shark (Hexanchus griseus).

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Di Bella, Giuseppa, Roberta Tardugno et Nicola Cicero. « Investigation of Hg Content by a Rapid Analytical Technique in Mediterranean Pelagic Fishes ». Separations 5, n^o 4 (24 octobre 2018) : 51. http://dx.doi.org/10.3390/separations5040051.

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Mercury (Hg) fish and seafood contamination is a global concern and needs worldwide sea investigations in order to protect consumers. The aim of this study was to investigate the Hg concentration by means of a rapid and simple analytical technique with a direct Mercury Analyzer (DMA-80) in pelagic fish species, Tetrapturus belone (spearfish), Thunnus thynnus (tuna) and Xiphias gladius (swordfish) caught in the Mediterranean Sea. Hg contents were evaluated also in Salmo salar (salmon) as pelagic fish not belonging to the Mediterranean area. The results obtained were variable, ranging between 0.015–2.562 mg kg−1 for T. thynnus species, 0.477–3.182 mg kg−1 for X. gladius, 0.434–1.730 mg kg−1 for T. belone and 0.004–0.019 mg kg−1 for S. salar, respectively. The total Hg tolerable weekly intake (TWI) and tolerable weekly intake % (TWI%) values according to the European Food Safety Authority (EFSA) were calculated. The results highlighted that the pelagic species caught in the Mediterranean Sea should be constantly monitored due to their high Hg contents as well as their TWI and TWI% with respect to S. salar samples.

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PANAYIOTOU, NIKOLAS, SEBASTIΑN BITON PORSMOGUER, DIMITRIOS Κ. MOUTOPOULOS et JOSEP LLORET. « Offshore recreational fisheries of large vulnerable sharks and teleost fish in the Mediterranean Sea : first information on the species caught ». Mediterranean Marine Science 21, n^o 1 (30 avril 2020) : 222. http://dx.doi.org/10.12681/mms.21938.

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Large-sized pelagic sharks and teleost fish are vulnerable to overexploitation by professional fisheries but little is known about the species caught by recreational fishing. This study presents for the first time in the Mediterranean an evaluation of the catch of pelagic sharks and teleost fish being caught by recreational fishermen by analyzing publicly available videos posted on social media. The analysis reveals that several vulnerable species, including the blue shark Prionace glauca, the shortfin mako Isurus oxyrinchus, the thresher shark Alopias vulpinus, the sixgill shark Hexanchus griseus, the swordfish Xiphias gladius, and the Mediterranean spearfish Tetrapturus belone are caught by offshore recreational fishermen, with the blue shark and the swordfish being the most commonly caught species. The majority of individuals caught are juveniles that are mostly released back to sea, issues that are in agreement with field studies. New measures related to handling practices are proposed to protect these species.

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Ancora, Stefania, Giacomo Mariotti, Rosetta Ponchia, Maria Cristina Fossi, Claudio Leonzio et Nicola Bianchi. « Trace elements levels in muscle and liver of a rarely investigated large pelagic fish : The Mediterranean spearfish Tetrapturus belone (Rafinesque, 1810) ». Marine Pollution Bulletin 151 (février 2020) : 110878. http://dx.doi.org/10.1016/j.marpolbul.2019.110878.

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Tadajczyk, Konrad, et Krzysztof Witczak. « The Mediterranean Spearfish in Ancient Greek and Latin ». Erga-Logoi. Rivista di storia, letteratura, diritto e culture dell'antichità 9, n^o 2 (13 décembre 2021). http://dx.doi.org/10.7358/erga-2021-002-tawi.

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The article discusses the problem of identifying a Mediterranean fish called γλαῦκος in Ancient Greek and glaucus in Latin. It was a big and well-known fish living in the Mediterranean Sea. It appears in numerous literary sources of the classical (Greek and Roman) world. After analyzing all preserved attestations of the Greco-Latin ichthyonym, the authors of the present article suggest that this fish should be identified with the Mediterranean spearfish (Tetrapturus belone Rafinesque, 1810). It is possible that the fish name γλαῦκος/glaucus referred to the roundscale spearfish (Tetrapturus georgii R.T. Lowe, 1841) and also to the Atlantic white marlin (Kajikia albida Poey, 1860, syn. Tetrapturus albidus Poey, 1860).

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AKYOL, Okan. « Additional record of Mediterranean spearfish, Tetrapturus belone Rafinesque, 1810 (Istiophoridae) from Izmir Bay (northern Aegean Sea) ». Çanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries, 30 novembre 2020. http://dx.doi.org/10.46384/jmsf.814214.

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Battaglia, P., A. Potoschi, M. Valastro, F. Andaloro et T. Romeo. « Age, growth, biological and ecological aspects of Remora osteochir (Echeneidae) in the Mediterranean Sea ». Journal of the Marine Biological Association of the United Kingdom, 24 juin 2015, 1–7. http://dx.doi.org/10.1017/s0025315415000867.

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This paper provides for the first time data on age and growth ofRemora osteochir, also describing its sagittal otolith together with other biological and ecological aspects. Overall, 236 individuals of marlin sucker were collected in the southern-central Mediterranean Sea, from 2008 to 2009. All samples were hosted by the Mediterranean spearfish,Tetrapturus belone, caught by surface longline and harpoon. Analysis of gonads identified a reproductive peak during June and July. The estimated growth parameters according to the von Bertalanffy equation were:L∞= 27.37 cm TL,k= 0.248 year−1,t0= −1.36 year. The length-weight relationship, computed by using eviscerate weight, highlighted an isometric growth for both sexes, as supported by the other results: similar sizes, growth curves and disc length-total length relationship.

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Thèses sur le sujet "Tetrapturus belone"

GIACOMO, MARIOTTI. « Studio ecotossicologico sull’ aguglia imperiale, Tetrapturus belone (Rafinesque, 1810) : esposizione, accumulo ed effetti di contaminanti e considerazioni sul consumo umano ». Doctoral thesis, Università di Siena, 2020. http://hdl.handle.net/11365/1107466.

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The Mediterranean spearfish, Terapturus belone (Rafinesque, 1810), is a large pelagic fish inhabiting the Mediterranean Sea, poorly known especially from an ecotoxicological point of view. In the present research, the first data regarding the bioaccumulation of trace elements and organochlorine compounds, as well as the levels of biomarkers of exposure and/or effect have been provided for T. belone. Human health implications related to the consumption of the species have been also evaluated. In particular, concentrations of elements of high ecotoxicological relevance such as mercury, cadmium, lead and selenium were determined in muscle and liver providing a first general overview for the species. Trace element levels were generally comparable with those reported for other large fish predators. A higher bioaccumulation of Cd and Se in the liver compared to the muscle was found, while Hg and Pb showed comparable levels in both tissues. A possible detoxification effect of Se on Hg and Cd was also discussed. Human health implications due to the consumption of T. belone were assessed considering Hg and Se concentrations, in comparison with tuna and swordfish. For this purpose, maximum permissible levels were considered and risk/benefit indexes such as the Estimated Weekly Intake (EWI), the Target Hazard Quotient (THQ) and the Selenium Health Benefit Value (HBVSe) were calculated. The assessment was carried out considering also the bioaccessible fractions of the elements, i.e. the fraction actually released from a food as a result of digestive processes, obtained via an in vitro extraction test (Physiologically Based Extraction Test, PBET). The consumption of T. belone represents a lower risk in comparison to tuna and swordfish, however, taking into account only Hg total or bioaccessible concentrations, the species could still raise concern. Nevertheless, taking into account also the levels of Se, which is protective of Hg toxicity, T. belone could be considered healthy for consumption. The investigation of organochlorines (DDTs, PCBs and HCB) concentrations in the liver showed unexpectedly high levels of DDTs and PCBs compared to other large Mediterranean fish. Regarding biomarkers, levels of mixed function monooxygenase (MFO) system and plasma butyrylcholinesterase (BChE) as well as the frequency of erythrocytic nuclear abnormalities (ENA assay) were determined. MFO levels were comparable with those reported for other Mediterranean fish species, but unexpectedly higher in females than in males. BChE activity, lower in comparison to some other fish species, could be likely attributed to specific biological and ecological characteristics of T. belone, as well as the frequencies of erythrocytic abnormalities were probably within natural values. No significant correlations were found between biomarkers and levels of metals (Hg, Cd and Pb) and organochlorines, except for the positive relationship between ENA assay results and op’DDE. This work represents an ecotoxicological baseline for the Mediterranean spearfish by providing a first set of data that could be useful for future monitoring investigations. Moreover, with a view to a possible greater commercialization of T. belone it also offers an initial risk assessment related to the human consumption of the species.

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Chapitres de livres sur le sujet "Tetrapturus belone"

Di Natale, Antonio, Corrado Piccinetti, Piero Addis, Fulvio Garibaldi et Fausto Tinti. « Comprehensive Italian Annotated Bibliography on the Mediterranean Spearfish (Tetrapturus belone, Rafinesque, 1810), and on Other Billfish and Spearfish Species ». Dans Italian Annotated Bibliography of Tuna, Tuna-like and Billfish Species, 799–850. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91069-3_6.

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