FB-69502 http://www.fishbase.org/summary/SpeciesSummary.php?id=69502 Animalia Chordata Myxini Myxiniformes Myxinidae Myxine Myxine phantasma Mincarone, Plachetzki, McCord, Winegard, Fernholm, Gonzalez & Fudge, 2021 Taiwan sleeper shark 2021-07-20 2021-07-20 Hsu, H.-H., C.-Y. Lin and S.-J. Joung0 Somniosus (Rhinoscymnus) cheni sp. nov. A new species of sleeker shark (Squaliformes: Somniosidae) from Eastern Taiwan, with aspects of embryo biology. Zool. Stud. 59:48. (Ref. 123759) IUCN0 The IUCN Red List of Threatened Species. Version 2022-2. <https://www.iucnredlist.org/>. Downloaded 10 Jan 2023. (Ref. 126983) Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868) FB-GeneralDescr-69511 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2021-08-11 00:00:00 2024-07-18 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=69511 This species was collected in canyons surrounded by deep-sea longliner off eastern Taiwan at a depth greater than 500 m (Ref. 123759). Hsu, H.-H., C.-Y. Lin and S.-J. Joung 2020 Somniosus (Rhinoscymnus) cheni sp. nov. A new species of sleeker shark (Squaliformes: Somniosidae) from Eastern Taiwan, with aspects of embryo biology. Zool. Stud. 59:48. (Ref. 123759) FB-DiagnosticDescr-69511 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2021-08-11 00:00:00 2021-08-11 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=69511 This species is distinguished from its congeners by the following set of characters: no anal fin; two spineless dorsal fins, first dorsal fin higher and larger than second dorsal fin; short lateral keels on the caudal peduncle, precaudal pits absent; caudal fin is asymmetrical and paddle-shaped, with a relatively short upper lobe and long lower lobe; rhomboid-shaped dermal denticles; teeth dissimilar in upper and lower jaws, upper-jaw teeth small with lanceolate, in 72 rows, lower-jaw teeth semioblique with low roots, in 28 rows; precaudal vertebrae 60-61, caudal vertebrae 15-18, total 75-78; number of turns in spiral valve 25-26 In mid-term embryo stage (12.8-15.0 cm TL); no teeth and dermal denticles; sexes identifiable; caudal keel present. Colouration: body light brown to yellow-grayish (Ref. 123759). Hsu, H.-H., C.-Y. Lin and S.-J. Joung 2020 Somniosus (Rhinoscymnus) cheni sp. nov. A new species of sleeker shark (Squaliformes: Somniosidae) from Eastern Taiwan, with aspects of embryo biology. Zool. Stud. 59:48. (Ref. 123759) FB-Morphology-69511 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2021-08-11 00:00:00 2021-08-11 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=69511 Vertebrae: 75 - 79 Hsu, H.-H., C.-Y. Lin and S.-J. Joung 2020 Somniosus (Rhinoscymnus) cheni sp. nov. A new species of sleeker shark (Squaliformes: Somniosidae) from Eastern Taiwan, with aspects of embryo biology. Zool. Stud. 59:48. (Ref. 123759) FB-Distribution-69511 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2021-08-11 00:00:00 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=69511 Northwest Pacific: Taiwan. Hsu, H.-H., C.-Y. Lin and S.-J. Joung 2020 Somniosus (Rhinoscymnus) cheni sp. nov. A new species of sleeker shark (Squaliformes: Somniosidae) from Eastern Taiwan, with aspects of embryo biology. Zool. Stud. 59:48. (Ref. 123759) FB-Uses-69511 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2021-08-11 00:00:00 2024-07-18 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=69511 fisheries: of no interest FB-Size-69511 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2021-08-11 00:00:00 2024-07-18 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=69511 14.7 cm TL (male/unsexed; (Ref. 123759)); 13.58 cm TL (female) Hsu, H.-H., C.-Y. Lin and S.-J. Joung 2020 Somniosus (Rhinoscymnus) cheni sp. nov. A new species of sleeker shark (Squaliformes: Somniosidae) from Eastern Taiwan, with aspects of embryo biology. Zool. Stud. 59:48. (Ref. 123759) FB-Threats-2 http://purl.org/dc/dcmitype/Text text/html Belen Acosta 1990-10-18 00:00:00 2024-03-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=2 Least Concern (LC) , IUCN Grouper and Wrasse Specialist Group IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. FB-Habitat-69511 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2021-08-11 00:00:00 2024-07-18 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=69511 bathydemersal; marine; depth range 500 - ? m (Ref. 123759) Hsu, H.-H., C.-Y. Lin and S.-J. Joung 2020 Somniosus (Rhinoscymnus) cheni sp. nov. A new species of sleeker shark (Squaliformes: Somniosidae) from Eastern Taiwan, with aspects of embryo biology. Zool. Stud. 59:48. (Ref. 123759)