Barathronus multidens Nielsen 1984
Barathronus multidens Nielsen, 1984 Table 2. Figs. 1, 18–20 Barathronus multidens Nielsen, 1984a: 583 (type locality: 32°54.6’N, 11°40.0’W). Barathronus multidens : Nielsen et al. 1999: 139; Evseenko et al. 2018. Material examined (3 specimens, SL 45–83 mm): Holotype: BMNH 1983.2.28.1 (SL 72 mm, mal...
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Biodiversity Taxonomy Animalia Chordata Actinopterygii Ophidiiformes Aphyonidae Barathronus Barathronus multidens |
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Biodiversity Taxonomy Animalia Chordata Actinopterygii Ophidiiformes Aphyonidae Barathronus Barathronus multidens Nielsen, Jørgen G. Barathronus multidens Nielsen 1984 |
topic_facet |
Biodiversity Taxonomy Animalia Chordata Actinopterygii Ophidiiformes Aphyonidae Barathronus Barathronus multidens |
description |
Barathronus multidens Nielsen, 1984 Table 2. Figs. 1, 18–20 Barathronus multidens Nielsen, 1984a: 583 (type locality: 32°54.6’N, 11°40.0’W). Barathronus multidens : Nielsen et al. 1999: 139; Evseenko et al. 2018. Material examined (3 specimens, SL 45–83 mm): Holotype: BMNH 1983.2.28.1 (SL 72 mm, male), off southern Morocco, 32°54.6’N, 11°40’W, RV Discovery, cr. 77, st. 8976, bottom trawl, 3610–3646 m, 5 Aug. 1976. Paratype: ZMUC P77712 (SL 83 mm,, male), north of Bahamas, 29°19.7’N, 73°18.6’W, RV Columbus Iselin, cr. 8007, st. CO57, 45’ otter trawl, 4269–4279 m, 19. Sep. 1980. Non-type; IORAS 03293 (SL 45 mm, juv.), Mid-Atlantic ridge, 16°50.052’N, 46°33.045’W, RV Professor Logachev, cr. 37, st. 158, Sigsbee trawl, 3227 m, 4 Mar. 2015. Diagnosis. Barathronus multidens differs from the other four Barathronus species with a transparent peritoneum by the following combination of characters: vomer with 11 and dentaries with 8–11 fangs, dorsal-fin rays 72–ca. 75, anal-fin rays 62– ca. 65, pectoral-fin rays 23–24, precaudal vertebrae 32–34, total vertebrae 77–79, long gill rakers on anterior arch 23–25, paired bulbs at basis of penis absent (Fig. 19), penis protected ventrally by large urogenital hood and no ventral flexure of anterior vertebrae. The very small otolith (Fig. 20) is almost circular with the undivided sulcus placed centrally. Head and body yellowish without pigmentation. Description. For a detailed description of the holo- and paratype see Nielsen (1984a: 583) and for the juvenile see Evseenko et al. (2018: 138). The principal meristic and morphometric characters are shown in Table 2. Comparisons. Barathronus multidens seems most similar to B. parfaiti sharing a transparent peritoneum and lack of ventral flexure of anteriormost vertebrae. They differ by B. multidens having more fangs on vomer (7–11 vs. 1+) and less long rakers on anterior gill arch (23–25 vs. 29). Distribution (Fig. 1). The three specimens known are from the East (3610-3646 m) and West (4269-4279 m) Atlantic Ocean and from the Mid-Atlantic Ridge (3227 m), all caught in bottom fishing gear. The specimen from the Mid-Atlantic Ridge is a juvenile with weekly ossified vertebrae which indicates that it might have been caught pelagically during hauling of the trawl. The other two specimens are adult males with well-ossified vertebrae indicating a benthopelagic occurrence. Remarks. Evseenko et al. (2018: 139) presented two phylogenies each based on two different genes. : Published as part of Nielsen, Jørgen G., 2019, Revision of the circumglobal genus Barathronus (Ophidiiformes, Bythitidae) with a new species from the eastern North Atlantic Ocean, pp. 231-256 in Zootaxa 4679 (2) on pages 246-248, DOI: 10.11646/zootaxa.4679.2.2, http://zenodo.org/record/3772453 : {"references": ["Nielsen, J. G. (1984 a) Two new abyssal Barathronus spp. from the North Atlantic (Pisces, Aphyonidae). Copeia, 1984 (3), 579 - 584. https: // doi. org / 10.2307 / 1445137", "Nielsen, J. G., Cohen, D. M., Markle, D. F. & Robins, C. R. (1999) FAO species catalogue. Vol. 18. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fisheries Synopsis. No. 125. Vol. 18. FAO, Rome, 178 pp.", "Evseenko, S. A., Gordeeva, N. V., Bolshakova, Y. Y. & Kobyliansky, S. H. (2018) Morphology and molecular phylogenetic relationships of Barathronus multidens (Ophidiiformes, Bythitidae). Cybium, 42 (2), 137 - 141."]} |
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Text |
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Nielsen, Jørgen G. |
author_facet |
Nielsen, Jørgen G. |
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Nielsen, Jørgen G. |
title |
Barathronus multidens Nielsen 1984 |
title_short |
Barathronus multidens Nielsen 1984 |
title_full |
Barathronus multidens Nielsen 1984 |
title_fullStr |
Barathronus multidens Nielsen 1984 |
title_full_unstemmed |
Barathronus multidens Nielsen 1984 |
title_sort |
barathronus multidens nielsen 1984 |
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Zenodo |
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2019 |
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https://dx.doi.org/10.5281/zenodo.3797796 https://zenodo.org/record/3797796 |
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ENVELOPE(9.954,9.954,63.343,63.343) ENVELOPE(20.153,20.153,69.428,69.428) |
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Mid-Atlantic Ridge Holo Juv |
geographic_facet |
Mid-Atlantic Ridge Holo Juv |
genre |
North Atlantic |
genre_facet |
North Atlantic |
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ftdatacite:10.5281/zenodo.3797796 2023-05-15T17:34:41+02:00 Barathronus multidens Nielsen 1984 Nielsen, Jørgen G. 2019 https://dx.doi.org/10.5281/zenodo.3797796 https://zenodo.org/record/3797796 unknown Zenodo http://zenodo.org/record/3772453 http://publication.plazi.org/id/F65FFF958B2BD172FF9CFFFE3E0AFFDE http://zoobank.org/A3A1CEE3-DA6D-4CF8-B529-7200B987C51F https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.4679.2.2 http://zenodo.org/record/3772453 http://publication.plazi.org/id/F65FFF958B2BD172FF9CFFFE3E0AFFDE https://dx.doi.org/10.5281/zenodo.3772455 https://dx.doi.org/10.5281/zenodo.3772489 https://dx.doi.org/10.5281/zenodo.3772491 https://dx.doi.org/10.5281/zenodo.3772493 http://zoobank.org/A3A1CEE3-DA6D-4CF8-B529-7200B987C51F https://dx.doi.org/10.5281/zenodo.3797797 https://zenodo.org/communities/biosyslit Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess CC0 Biodiversity Taxonomy Animalia Chordata Actinopterygii Ophidiiformes Aphyonidae Barathronus Barathronus multidens article-journal ScholarlyArticle Text Taxonomic treatment 2019 ftdatacite https://doi.org/10.5281/zenodo.3797796 https://doi.org/10.11646/zootaxa.4679.2.2 https://doi.org/10.5281/zenodo.3772455 https://doi.org/10.5281/zenodo.3772489 https://doi.org/10.5281/zenodo.3772491 https://doi.org/10.5281/zenodo.3772493 https: 2022-03-10T10:31:18Z Barathronus multidens Nielsen, 1984 Table 2. Figs. 1, 18–20 Barathronus multidens Nielsen, 1984a: 583 (type locality: 32°54.6’N, 11°40.0’W). Barathronus multidens : Nielsen et al. 1999: 139; Evseenko et al. 2018. Material examined (3 specimens, SL 45–83 mm): Holotype: BMNH 1983.2.28.1 (SL 72 mm, male), off southern Morocco, 32°54.6’N, 11°40’W, RV Discovery, cr. 77, st. 8976, bottom trawl, 3610–3646 m, 5 Aug. 1976. Paratype: ZMUC P77712 (SL 83 mm,, male), north of Bahamas, 29°19.7’N, 73°18.6’W, RV Columbus Iselin, cr. 8007, st. CO57, 45’ otter trawl, 4269–4279 m, 19. Sep. 1980. Non-type; IORAS 03293 (SL 45 mm, juv.), Mid-Atlantic ridge, 16°50.052’N, 46°33.045’W, RV Professor Logachev, cr. 37, st. 158, Sigsbee trawl, 3227 m, 4 Mar. 2015. Diagnosis. Barathronus multidens differs from the other four Barathronus species with a transparent peritoneum by the following combination of characters: vomer with 11 and dentaries with 8–11 fangs, dorsal-fin rays 72–ca. 75, anal-fin rays 62– ca. 65, pectoral-fin rays 23–24, precaudal vertebrae 32–34, total vertebrae 77–79, long gill rakers on anterior arch 23–25, paired bulbs at basis of penis absent (Fig. 19), penis protected ventrally by large urogenital hood and no ventral flexure of anterior vertebrae. The very small otolith (Fig. 20) is almost circular with the undivided sulcus placed centrally. Head and body yellowish without pigmentation. Description. For a detailed description of the holo- and paratype see Nielsen (1984a: 583) and for the juvenile see Evseenko et al. (2018: 138). The principal meristic and morphometric characters are shown in Table 2. Comparisons. Barathronus multidens seems most similar to B. parfaiti sharing a transparent peritoneum and lack of ventral flexure of anteriormost vertebrae. They differ by B. multidens having more fangs on vomer (7–11 vs. 1+) and less long rakers on anterior gill arch (23–25 vs. 29). Distribution (Fig. 1). The three specimens known are from the East (3610-3646 m) and West (4269-4279 m) Atlantic Ocean and from the Mid-Atlantic Ridge (3227 m), all caught in bottom fishing gear. The specimen from the Mid-Atlantic Ridge is a juvenile with weekly ossified vertebrae which indicates that it might have been caught pelagically during hauling of the trawl. The other two specimens are adult males with well-ossified vertebrae indicating a benthopelagic occurrence. Remarks. Evseenko et al. (2018: 139) presented two phylogenies each based on two different genes. : Published as part of Nielsen, Jørgen G., 2019, Revision of the circumglobal genus Barathronus (Ophidiiformes, Bythitidae) with a new species from the eastern North Atlantic Ocean, pp. 231-256 in Zootaxa 4679 (2) on pages 246-248, DOI: 10.11646/zootaxa.4679.2.2, http://zenodo.org/record/3772453 : {"references": ["Nielsen, J. G. (1984 a) Two new abyssal Barathronus spp. from the North Atlantic (Pisces, Aphyonidae). Copeia, 1984 (3), 579 - 584. https: // doi. org / 10.2307 / 1445137", "Nielsen, J. G., Cohen, D. M., Markle, D. F. & Robins, C. R. (1999) FAO species catalogue. Vol. 18. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fisheries Synopsis. No. 125. Vol. 18. FAO, Rome, 178 pp.", "Evseenko, S. A., Gordeeva, N. V., Bolshakova, Y. Y. & Kobyliansky, S. H. (2018) Morphology and molecular phylogenetic relationships of Barathronus multidens (Ophidiiformes, Bythitidae). Cybium, 42 (2), 137 - 141."]} Text North Atlantic DataCite Metadata Store (German National Library of Science and Technology) Mid-Atlantic Ridge Holo ENVELOPE(9.954,9.954,63.343,63.343) Juv ENVELOPE(20.153,20.153,69.428,69.428) |