A preliminary inventory of the catfishes of the lower Rio Nhamunda, Brazil (Ostariophysi, Siluriformes) Author Collins, Rupert A. Author Duarte Ribeiro, Emanuell Author Nogueira Machado, Valeria Author Hrbek, Tomas Author Farias, Izeni Pires text Biodiversity Data Journal 2015 3 4162 4162 http://dx.doi.org/10.3897/BDJ.3.e4162 journal article http://dx.doi.org/10.3897/BDJ.3.e4162 1314-2828-3-4162 Phractocephalus hemioliopterus (Bloch & Schneider, 1801) Materials Type status: Other material . Occurrence: catalogNumber: 14459 ; recordedBy: Valeria Nogueira Machado; Emanuell Duarte Ribeiro; Rupert A. Collins ; individualCount: 1 ; associatedSequences: KP772589; Taxon: scientificName: Phractocephalus hemioliopterus (Bloch & Schneider, 1801); kingdom: Animalia; phylum: Chordata; class: Actinopterygii; order: Siluriformes; family: Pimelodidae; genus: Phractocephalus; specificEpithet: hemioliopterus; scientificNameAuthorship: (Bloch & Schneider, 1801); Location: country: Brazil ; stateProvince: Para ; locality: Lower Nhamunda River ; decimalLatitude: -1.67511 ; decimalLongitude: -57.47678 ; geodeticDatum: WGS84; Identification: identifiedBy: Rupert A. Collins; Event: eventDate: 2013-11 ; Record Level: institutionCode: UFAM ; collectionCode: CTGA ; basisOfRecord: PreservedSpecimen Notes Identification to species level follows Lundberg and Aguilera (2003) and Mol (2012) based on the following characters: dermal bones of the skull coarsely sculpted with reticulated ridges surrounding rounded pits; supraoccipital process greatly expanded laterally; anterior nuchal plate enlarged; colour pattern with dark upper and white/yellow lower parts of flank; and caudal fin bright red/orange. One individual was caught by baited hand-line in a deep pool of the main river. The live specimen is pictured in Fig. 30.