The Fishery Biology of Two Deep-Water Skates, <i>Bathyraja schroederi</i> and <i>Amblyraja frerichsi</i> (Rajiformes: Rajidae), from the Southeast Pacific Ocean
Chile is a biodiverse region for deep-water skates (Rajiformes), with 36 species documented in national waters, of which 73% correspond to deep-water species. Among them, the Thickbody skate (<i>Amblyraja frerichsi</i>) and Whitemouth skate (<i>Bathyraja schroederi</i>) are t...
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2024-11-01
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| author | Carolina Vargas-Caro María J. Indurain Carlos Bustamante |
| author_facet | Carolina Vargas-Caro María J. Indurain Carlos Bustamante |
| author_sort | Carolina Vargas-Caro |
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| description | Chile is a biodiverse region for deep-water skates (Rajiformes), with 36 species documented in national waters, of which 73% correspond to deep-water species. Among them, the Thickbody skate (<i>Amblyraja frerichsi</i>) and Whitemouth skate (<i>Bathyraja schroederi</i>) are two poorly documented species with relatively high abundances. However, the current information is limited to a few specimens reported over the last 50 years between southern Brazil (SW Atlantic) and central Chile (SE Pacific). In the Southeast Pacific, both species are bycatch in the Patagonian toothfish (<i>Dissostichus eleginoides</i>) fishery, which operates along the Chilean coast between 800 and 1600 m of depth. This study examined aspects of demography and reproductive biology based on data from 190 specimens (125 <i>A. frerichsi</i> and 65 <i>B. schroederi</i>) obtained from the fishery in northern Chile. The new data contribute to enhancing our understanding of deep-water skate communities and highlight the vulnerability and fishing pressure experienced across their geographic distribution. |
| format | Article |
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| institution | Kabale University |
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| publishDate | 2024-11-01 |
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| spelling | doaj-art-0e9d1192a7664a1ea5fb3380b309f2292024-12-27T14:21:24ZengMDPI AGDiversity1424-28182024-11-01161270910.3390/d16120709The Fishery Biology of Two Deep-Water Skates, <i>Bathyraja schroederi</i> and <i>Amblyraja frerichsi</i> (Rajiformes: Rajidae), from the Southeast Pacific OceanCarolina Vargas-Caro0María J. Indurain1Carlos Bustamante2CHALLWA, Laboratorio de Biología Pesquera, Instituto de Ciencias Naturales Alexander von Humboldt, Facultad de Ciencias del Mar y de Recursos Biológicos, Universidad de Antofagasta, Antofagasta 1271155, ChileCHALLWA, Laboratorio de Biología Pesquera, Instituto de Ciencias Naturales Alexander von Humboldt, Facultad de Ciencias del Mar y de Recursos Biológicos, Universidad de Antofagasta, Antofagasta 1271155, ChileCHALLWA, Laboratorio de Biología Pesquera, Instituto de Ciencias Naturales Alexander von Humboldt, Facultad de Ciencias del Mar y de Recursos Biológicos, Universidad de Antofagasta, Antofagasta 1271155, ChileChile is a biodiverse region for deep-water skates (Rajiformes), with 36 species documented in national waters, of which 73% correspond to deep-water species. Among them, the Thickbody skate (<i>Amblyraja frerichsi</i>) and Whitemouth skate (<i>Bathyraja schroederi</i>) are two poorly documented species with relatively high abundances. However, the current information is limited to a few specimens reported over the last 50 years between southern Brazil (SW Atlantic) and central Chile (SE Pacific). In the Southeast Pacific, both species are bycatch in the Patagonian toothfish (<i>Dissostichus eleginoides</i>) fishery, which operates along the Chilean coast between 800 and 1600 m of depth. This study examined aspects of demography and reproductive biology based on data from 190 specimens (125 <i>A. frerichsi</i> and 65 <i>B. schroederi</i>) obtained from the fishery in northern Chile. The new data contribute to enhancing our understanding of deep-water skate communities and highlight the vulnerability and fishing pressure experienced across their geographic distribution.https://www.mdpi.com/1424-2818/16/12/709elasmobranch biodiversityskatePatagonian toothfish |
| spellingShingle | Carolina Vargas-Caro María J. Indurain Carlos Bustamante The Fishery Biology of Two Deep-Water Skates, <i>Bathyraja schroederi</i> and <i>Amblyraja frerichsi</i> (Rajiformes: Rajidae), from the Southeast Pacific Ocean Diversity elasmobranch biodiversity skate Patagonian toothfish |
| title | The Fishery Biology of Two Deep-Water Skates, <i>Bathyraja schroederi</i> and <i>Amblyraja frerichsi</i> (Rajiformes: Rajidae), from the Southeast Pacific Ocean |
| title_full | The Fishery Biology of Two Deep-Water Skates, <i>Bathyraja schroederi</i> and <i>Amblyraja frerichsi</i> (Rajiformes: Rajidae), from the Southeast Pacific Ocean |
| title_fullStr | The Fishery Biology of Two Deep-Water Skates, <i>Bathyraja schroederi</i> and <i>Amblyraja frerichsi</i> (Rajiformes: Rajidae), from the Southeast Pacific Ocean |
| title_full_unstemmed | The Fishery Biology of Two Deep-Water Skates, <i>Bathyraja schroederi</i> and <i>Amblyraja frerichsi</i> (Rajiformes: Rajidae), from the Southeast Pacific Ocean |
| title_short | The Fishery Biology of Two Deep-Water Skates, <i>Bathyraja schroederi</i> and <i>Amblyraja frerichsi</i> (Rajiformes: Rajidae), from the Southeast Pacific Ocean |
| title_sort | fishery biology of two deep water skates i bathyraja schroederi i and i amblyraja frerichsi i rajiformes rajidae from the southeast pacific ocean |
| topic | elasmobranch biodiversity skate Patagonian toothfish |
| url | https://www.mdpi.com/1424-2818/16/12/709 |
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