A new species of Hoplias Gill 1903 (Characiformes: Erythrinidae) from the Crepori River, Amazon basin, Brazil

KAREN LARISSA AUZIER GUIMARÃES1; ROSSO, JUAN JOSE; GONZÁLEZ-CASTRO, M.; , MENDELSOHN FUJIIE BELÉM SOUZA; JUAN MARTÍN DÍAZ DE ASTARLOA3; LUÍS REGINALDO RIBEIRO RODRIGUES1

JOURNAL OF FISH BIOLOGY

WILEY-BLACKWELL PUBLISHING, INC

Lugar: Londres; Año: 2021

0022-1112

A new species of Hoplias malabaricus complex from the Tapajós basin, state of Pará, Brazil, is described. The new species is characterized by 15-16 predorsal scales, 37-39 lateral line scales, 5 scales from dorsal fin to lateral line, 38-39 vertebrae, iii-iv,7-8 anal fin rays, ii-iv,12-15 caudal fin rays, last vertical series of scales on the base of caudal-fin rays forming a straight line, 6-7 dark bands in anal fin and no distinctive dark bands or blotches on flanks. The new species is also distinguished from other congeners of the H. malabaricus species-group by means of landmarks based morphometrics and DNA barcoding, Cytochrome c Oxidase I gene. A key to species of the H. malabaricus species-group is provided.