FB-71016 http://www.fishbase.org/summary/SpeciesSummary.php?id=71016 Animalia Chordata Teleostei Anguilliformes Ophichthidae Yirrkala Yirrkala nkust Hibino & Ho, 2024 Flatbacked black-fin roughy 2025-03-31 2025-03-31 Su, Y., A.N. Kotlyar, H.-C. Lin, T. Kawai and H.-C. Ho0 A new species of <i>Hoplostethus</i> from Sumatra, eastern Indian Ocean, with comments on its most similar congeners (Trachichthyiformes: Trachichthyidae). J Fish Biol.106(3):696-705. (Ref. 133164) FB-DiagnosticDescr-71025 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-04-03 00:00:00 2025-04-03 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71025 This species is distinguished from its congeners by the following set of characters: body soft and dusky; bony ridges on the head and fin rays delicate; body scales deciduous; gular region covered with ctenoid scales; pelvic-fin spine smooth on its anterior edge; head depth smaller than its length, 37.2%-38.6% SL or 94.7%-99.2% HL; pectoral-fin length 35.6%-37.8% SL, with tip reaching beyond vertical through anal-fin origin to middle of anal-fin base; abdominal scutes well developed, 12-16; pectoral-fin rays uniformly black, 17-19; gill rakers on outer surface of first arch 6-7 + 1 + 13-14 = 21; pre-dorsal scales 24-27; pyloric caeca 32; moderate body size 230 mm SL (Ref. 133164). Su, Y., A.N. Kotlyar, H.-C. Lin, T. Kawai and H.-C. Ho 2024 A new species of <i>Hoplostethus</i> from Sumatra, eastern Indian Ocean, with comments on its most similar congeners (Trachichthyiformes: Trachichthyidae). J Fish Biol.106(3):696-705. (Ref. 133164) FB-Morphology-71025 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-04-03 00:00:00 2025-04-03 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71025 Dorsal spines (total): 5; Dorsal soft rays (total): 13; Analspines: 3; Analsoft rays: 9; Vertebrae: 27 Su, Y., A.N. Kotlyar, H.-C. Lin, T. Kawai and H.-C. Ho 2024 A new species of <i>Hoplostethus</i> from Sumatra, eastern Indian Ocean, with comments on its most similar congeners (Trachichthyiformes: Trachichthyidae). J Fish Biol.106(3):696-705. (Ref. 133164) FB-Distribution-71025 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-04-03 00:00:00 2025-04-29 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71025 Eastern Indian Ocean: Indonesia. Su, Y., A.N. Kotlyar, H.-C. Lin, T. Kawai and H.-C. Ho 2024 A new species of <i>Hoplostethus</i> from Sumatra, eastern Indian Ocean, with comments on its most similar congeners (Trachichthyiformes: Trachichthyidae). J Fish Biol.106(3):696-705. (Ref. 133164) FB-Uses-71025 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-04-03 00:00:00 2025-04-03 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71025 fisheries: of no interest FB-Size-71025 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-04-03 00:00:00 2025-04-03 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71025 23.0 cm SL (male/unsexed; (Ref. 133164)) Su, Y., A.N. Kotlyar, H.-C. Lin, T. Kawai and H.-C. Ho 2024 A new species of <i>Hoplostethus</i> from Sumatra, eastern Indian Ocean, with comments on its most similar congeners (Trachichthyiformes: Trachichthyidae). J Fish Biol.106(3):696-705. (Ref. 133164) 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-71025 http://purl.org/dc/dcmitype/Text text/html Trisha Marie Santos 2025-04-03 00:00:00 2025-04-03 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=71025 bathypelagic; marine; depth range 703 - 843 m (Ref. 133164) Su, Y., A.N. Kotlyar, H.-C. Lin, T. Kawai and H.-C. Ho 2024 A new species of <i>Hoplostethus</i> from Sumatra, eastern Indian Ocean, with comments on its most similar congeners (Trachichthyiformes: Trachichthyidae). J Fish Biol.106(3):696-705. (Ref. 133164)