FB-67702 http://www.fishbase.org/summary/SpeciesSummary.php?id=67702 Animalia Chordata Teleostei Ovalentaria/misc Pomacentridae Pycnochromis Pycnochromis howsoni (Allen & Erdmann, 2014) 2015-06-09 2022-04-04 Costa, W.J.E.M.0 Four new species of the genus <i>Atlantirivulus</i> (Cyprinodontiformes: Rivulidae) from the Brazilian Atlantic Forest. Verteb. Zool. 64(1):9-21. (Ref. 102354) FB-DiagnosticDescr-67711 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2015-06-12 00:00:00 2015-09-29 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67711 Atlantirivulus guanabarensis can be diagnosed from all species of the genus Atlantirivulus by the following combination of characters: lateral line divided into two sections (vs. single); lateral line with one neuromast by scale (vs. lateral line often interrupted by scales without neuromasts); 22 - 26 neuromasts in the section of infraorbital series around orbit (vs. usually 17 - 22, sometimes 23 or 24); distal margin of the anal fin and ventral margin of the caudal fin with a narrow, well-defined dark reddish grey stripe in males (vs. never a similar color pattern), melanophore patch on the postorbital region extending ventrally to the pre-opercular series of neuromasts (vs. not reaching pre-opercular series of neuromasts); snout blunt (vs. slightly pointed); ventral portion of head and venter white (vs. orangish yellow); flank without triangular light blue spots in males (vs. present); and base of the dorsal and anal fins without grey reticulum in males (vs. present) (Ref. 102354). Description: caudal fin oval; longitudinal series of scales 33- 34; transverse series of scales 7-8 (Ref. 102354). Costa, W.J.E.M. 2014 Four new species of the genus <i>Atlantirivulus</i> (Cyprinodontiformes: Rivulidae) from the Brazilian Atlantic Forest. Verteb. Zool. 64(1):9-21. (Ref. 102354) FB-Morphology-67711 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2015-06-12 00:00:00 2015-09-29 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67711 Dorsal soft rays (total): 7 - 9; Analsoft rays: 14 - 16; Vertebrae: 33 - 34 Costa, W.J.E.M. 2014 Four new species of the genus <i>Atlantirivulus</i> (Cyprinodontiformes: Rivulidae) from the Brazilian Atlantic Forest. Verteb. Zool. 64(1):9-21. (Ref. 102354) FB-Distribution-67711 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2015-06-12 00:00:00 2022-11-28 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67711 South America: river drainages flowing into the Guanabara bay, and adjacent coastal plains to west, including the Jacarepaguá lagoon system in Rio de Janeiro, Brazil. Costa, W.J.E.M. 2014 Four new species of the genus <i>Atlantirivulus</i> (Cyprinodontiformes: Rivulidae) from the Brazilian Atlantic Forest. Verteb. Zool. 64(1):9-21. (Ref. 102354) FB-Size-67711 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2015-06-12 00:00:00 2015-06-13 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67711 3.5 cm SL (male/unsexed; (Ref. 102354)); 3.14 cm SL (female) Costa, W.J.E.M. 2014 Four new species of the genus <i>Atlantirivulus</i> (Cyprinodontiformes: Rivulidae) from the Brazilian Atlantic Forest. Verteb. Zool. 64(1):9-21. (Ref. 102354) 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-67711 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2015-06-12 00:00:00 2015-06-13 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67711 benthopelagic; freshwater