FB-67414 http://www.fishbase.org/summary/SpeciesSummary.php?id=67414 Animalia Chordata Teleostei Ophidiiformes Carapidae Echiodon Echiodon prionodon Parmentier, 2012 Arnegardi kivipeakala Petrocephalus binotatus (non Pellegrin, 1924) 2014-07-07 2014-07-07 Lavoué, S., J.P. Sullivan and M.E. Arnegard0 African weakly electric fishes of the genus Petrocephalus (Osteoglossomorpha: Mormyridae) of Odzala National Park, Republic of the Congo (Lékoli River, Congo River basin) with description of five new species. Zootaxa 2600:1-52. (Ref. 85331) Lavoué, S.0 A new species of Petrocephalus Marcusen 1854 (Osteoglossomorpha: Mormyridae) from the Sanaga River basin, Cameroon. Zootaxa 2934:20-28. (Ref. 87308) Lavoué, S.0 Petrocephalus Marcusen, 1854 (Osteoglossomorpha: Mormyridae) of the Bangweulu-Mweru ecoregion (Luapula River system, Congo basin), with the description of a new species. J. Nat. Hist. 46(35-36):2159-2178. (Ref. 91772) Lavoué, S. and J.P. Sullivan0 Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400:43-65. (Ref. 96601) eElurikkus0 eElurikkus koondab ühte portaali Eesti eluslooduse andmed. http://elurikkus.ut.ee/ (Ref. 105471) Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868) FB-DiagnosticDescr-67424 http://purl.org/dc/dcmitype/Text text/html Tobias Musschoot 2014-07-10 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=67424 Diagnosis: Petrocephalus arnegardi is distinguished from all other Petrocephalus species of Central Africa by the following combination of characteristics: pigmentation pattern comprising three well-defined, bilateral black patches, one usually distinct round/ovoid subdorsal black mark situated slightly anterior to dorsal, one black mark at the base of each pectoral fin, and one ovoid black mark centered at the base of caudal fin; dorsal fin at least one third shorter than anal fin; dorsal fin with at least 20 branched rays but no more than 22; anal fin with at least 30 branched rays; 16 teeth or fewer in upper jaw, 25 teeth or fewer in lower jaw; eye relatively large, ration head length and eye-diameter less than 4.7; mouth subterminal; ration of head length to mouth position between 4.2 and 5.6; mouth small, ration head length and mouth width more than 4.1; and EOD of normal polarity, mainly biphasic with sometimes the presence of a small-amplitude positive third phase (Ref. 96601).Description: Body ovoid, longer than high, its ration between 2.3 and 2.8, and laterally compressed (Ref. 96601). Head length between 3.4 and 4.0 times in standard length (Ref. 96601). Snout short, ration head length and snout length between 6.5 and 9.3, and round (Ref. 96601). Eye large, the ration head length and eye-diameter between 3.5 and 4.4 (Ref. 96601). Mouth small, the ration head length and mouth width between 4.1 and 5.0, subterminal, opening under the anterior half of the eye; teeth small and bicuspid, 8 to 16 in a single row in the upper jaw, 20-24 in the lower jaw (Ref. 96601). Caudal peduncle thin, the ration caudal peduncle depth and caudal peduncle height between 1.8 and 2.5 (Ref. 96601). Dosral and anal fins originate in the posterior half of the body; pre-dorsal distance slightly greater than the pre-anal distance; dorsal fin with 20-22 branched rays; anal fin with 31-34 branched rays (Ref. 96601). Scales cover the body, except for the head; lateral line visible and complete with 34 and 38 pored scales along its length; 10 to 13 scales between the anterior base of the anal fin and the lateral line; 12 scales around the caudal peduncle (Ref. 96601). Skin on head thick (Ref. 96601). The three rosettes of knollenorgans are present on the head (Ref. 96601).Colouration: Body uniformly silvery white, with three distinct bilateral melanin marks, a distinct, ovoid black mark situated slightly anterior to the dorsal fin, sometimes covering only a few scales, a black spot at the base of the pectoral fin and a somewhat vertically orientated ovoid black mark centered at the base of the caudal fin that does not extend onto the upper and lower parts of the caudal fin; fins hyaline (Ref. 96601). Preserved colouration of body light brown, with head and dorsum slightly darker; thick skin on head opaque; numerous light melanophores on body, slightly larger ventrally from the snout to the anal fin; fins whitish/opaque (Ref. 96601). Lavoué, S. and J.P. Sullivan 2014 Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400:43-65. (Ref. 96601) FB-Distribution-67424 http://purl.org/dc/dcmitype/Text text/html Tobias Musschoot 2014-07-10 17:55:32 2017-02-09 21:13:20 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67424 Africa: various tributaries of the Likouala drainage (middle Congo River tributary) in Republic of Congo, and the middle Congo River near Yangambi in Democratic Republic of the Congo (Ref. 96601). Lavoué, S. and J.P. Sullivan 2014 Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400:43-65. (Ref. 96601) FB-Size-67424 http://purl.org/dc/dcmitype/Text text/html Tobias Musschoot 2014-07-10 17:47:25 2024-03-06 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67424 9.0 cm (male/unsexed; (Ref. 96601)) Lavoué, S. and J.P. Sullivan 2014 Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400:43-65. (Ref. 96601) 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-67424 http://purl.org/dc/dcmitype/Text text/html Tobias Musschoot 2014-07-10 17:47:25 2024-03-06 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=67424 demersal; freshwater