FB-68227 http://www.fishbase.org/summary/SpeciesSummary.php?id=68227 Animalia Chordata Elasmobranchii Myliobatiformes Dasyatidae Hemitrygon Hemitrygon longicauda (Last & White, 2013) Baraka"s whipray 2017-05-31 2019-03-29 Last, P.R., S.V. Bogorodsky and T.J. Alpermann0 Maculabatis ambigua sp. nov., a new whipray (Myliobatiformes: Dasyatidae) from the Western Indian Ocean. Zootaxa 4154(1):66-78. (Ref. 111065) Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor0 Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953) FB-GeneralDescr-68238 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2017-06-07 00:00:00 2017-07-25 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=68238 A typical inhabitant of soft substrata and are trawled in shallow water (Ref. 111065). Biology unknown (Ref. 114953). Last, P.R., S.V. Bogorodsky and T.J. Alpermann 2016 Maculabatis ambigua sp. nov., a new whipray (Myliobatiformes: Dasyatidae) from the Western Indian Ocean. Zootaxa 4154(1):66-78. (Ref. 111065) FB-DiagnosticDescr-68238 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2017-06-07 00:00:00 2017-11-15 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=68238 This species is distinguished by the following set of characters: rhomboidal disc with its axis of greatest width well forward, snout tip to maximum disc width 37% (35-39%) DW; short preorbital snout with small apical lobe, rather obtuse, snout angle 121-127°; pectoral-fin apices are narrowly rounded, angle 86-92°; orbits are moderately small, protruding slightly; mouth relatively narrow, its width 6.2-7.0% DW; small pelvic fins, length 17-19% DW, width across base 13-14% DW; preoral snout length is 2.8-3.1 times internasal width, 19-21% DW, interorbital distance 2.0-2.2 times orbit length, prenasal length 2.2-2.4 times internasal width; subcircular tail with longitudinal ventral groove is behind caudal sting; tail weakly depressed posteriorly, with longitudinal lateral ridge on each side in subadults; an enlarged, seed-shaped, suprascapular thorn usually followed by up to 5 much smaller primary denticles in adults (suprascapular thorn may be preceded by a few much smaller primary denticles in early juveniles); a band of secondary denticles suboval (in subadults), very broad (its width across scapulocoracoid much narrower than its width at spiracles), with sharply-defined lateral margins, broad and semi-truncate near tail base; band fully developed and covering entire dorsal surface of tail by 49 cm DW; colour of dorsal surface mainly uniformly brownish, disc margin paler brown dorsally and ventral disc uniformly whitish, not obviously black edged; in subadults, darker dorsal surface of tail is sharply demarcated from slightly paler ventral surface (median furrow dark and contrasted with skin adjacent); in juveniles, the dorsal post-sting tail has conspicuous, alternating, black-and-white saddles that persist nearly to tail tip, ventral tail uniformly greyish; pectoral-fin radials 130-135; total vertebral count (excluding first synarcual centra) 108-116, monospondylous centra 44-46, pre-sting diplospondylous centra 64-67 (Ref. 111065). Last, P.R., S.V. Bogorodsky and T.J. Alpermann 2016 Maculabatis ambigua sp. nov., a new whipray (Myliobatiformes: Dasyatidae) from the Western Indian Ocean. Zootaxa 4154(1):66-78. (Ref. 111065) FB-Distribution-68238 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2017-06-07 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=68238 Western Indian Ocean: Red Sea to Tanzania (Zanzibar). Last, P.R., W.T. White, M.R. de Carvalho, B. Séret, M.F.W. Stehmann and G.J.P. Naylor 2016 Rays of the world. CSIRO Publishing, Comstock Publishing Associates. i-ix + 1-790. (Ref. 114953) FB-Size-68238 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2017-06-07 00:00:00 2017-07-25 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=68238 90.0 cm WD (male/unsexed; (Ref. 111065)); 84 cm WD (female) Last, P.R., S.V. Bogorodsky and T.J. Alpermann 2016 Maculabatis ambigua sp. nov., a new whipray (Myliobatiformes: Dasyatidae) from the Western Indian Ocean. Zootaxa 4154(1):66-78. (Ref. 111065) 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-68238 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2017-06-07 00:00:00 2017-07-25 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=68238 benthopelagic; marine; depth range 10 - 60 m (Ref. 111065) Last, P.R., S.V. Bogorodsky and T.J. Alpermann 2016 Maculabatis ambigua sp. nov., a new whipray (Myliobatiformes: Dasyatidae) from the Western Indian Ocean. Zootaxa 4154(1):66-78. (Ref. 111065)