FB-64211 http://www.fishbase.org/summary/SpeciesSummary.php?id=64211 Animalia Chordata Teleostei Cypriniformes Leuciscidae Squalius Squalius laietanus Doadrio, Kottelat & de Sostoa, 2007 Oligopus robustus (non Smith & Radcliffe, 1913) 2008-07-29 2008-07-30 Nielsen, J.G.0 Grammonus yunokawai (Ophidiiformes: Bythitidae), a new marine cave fish from the Ryukyu Islands. Ichthyol. Res. 54(4):374-379. (Ref. 75999) Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868) FB-GeneralDescr-64221 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2008-07-30 00:00:00 2008-07-30 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64221 Known only from one female specimen with ovaries containing eggs up to about 0.5 mm in diameter and apparently with no embryos. It was caught by hand in the back of the cave in absolute darkness. The head and lateral line pore systems are well developed, also the sensory papillae on the head and body, indicating adaptation to the lightless environmentAlso observed and caught were a shrimp Parhippolyte misticia and the fishes Pseudamia hayashiiand Apogon evermanni (Ref. 75999). Nielsen, J.G. 2007 Grammonus yunokawai (Ophidiiformes: Bythitidae), a new marine cave fish from the Ryukyu Islands. Ichthyol. Res. 54(4):374-379. (Ref. 75999) FB-DiagnosticDescr-64221 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2008-07-30 00:00:00 2008-07-30 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64221 This species has the following characters: Dorsal-fin rays 83; anal-fin rays 64; caudal fin rays 9; pectoral 23-24; vertebrae 12 + 29; anterior anal fin ray is placed below 23rd dorsal fin ray; maximum depth of head is 32.0% SL; predorsal length 41.5% SL; interorbital width 10.5% SL; height of posterior margin of maxilla 8.4% SL (Ref. 75999). Nielsen, J.G. 2007 Grammonus yunokawai (Ophidiiformes: Bythitidae), a new marine cave fish from the Ryukyu Islands. Ichthyol. Res. 54(4):374-379. (Ref. 75999) FB-Morphology-64221 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2008-07-30 00:00:00 2008-07-30 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64221 Dorsal soft rays (total): 83; Analsoft rays: 64; Vertebrae: 41 Nielsen, J.G. 2007 Grammonus yunokawai (Ophidiiformes: Bythitidae), a new marine cave fish from the Ryukyu Islands. Ichthyol. Res. 54(4):374-379. (Ref. 75999) FB-Distribution-64221 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2008-07-30 00:00:00 2008-07-30 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64221 Northwest Pacific: Japan. Nielsen, J.G. 2007 Grammonus yunokawai (Ophidiiformes: Bythitidae), a new marine cave fish from the Ryukyu Islands. Ichthyol. Res. 54(4):374-379. (Ref. 75999) FB-Size-64221 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2008-07-30 00:00:00 2008-07-30 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64221 9.8 cm SL (female) Nielsen, J.G. 2007 Grammonus yunokawai (Ophidiiformes: Bythitidae), a new marine cave fish from the Ryukyu Islands. Ichthyol. Res. 54(4):374-379. (Ref. 75999) 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-64221 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2008-07-30 00:00:00 2008-07-30 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=64221 demersal; marine; depth range ? - 20 m (Ref. 75999) Nielsen, J.G. 2007 Grammonus yunokawai (Ophidiiformes: Bythitidae), a new marine cave fish from the Ryukyu Islands. Ichthyol. Res. 54(4):374-379. (Ref. 75999)