Zarske, Le Bail & Gery, 2010
New and poorly known Characiform fishes (Teleostei: Characiformes: Characidae) from French Guyana. A new Tetra of the genus Bryconamericus.Abstract
Bryconamericus guyanensis sp. n. is described from French Guyana. The new species is closely related to B. subtilisform ROMAN-VALENCIA, 2003 and characterized by the following features: (1) body depth relatively low (3.49 – 4.16), (2) anal-fin with 19 – 21 branched rays, (3) 17 – 21 setiform gill-rakers, (4) 38 – 41 scales in a longitudinal row, (5) 4½ – 5/1/3 transversal scales, (6) 37 to 40 vertebrae (total), (7) two to three tri- to quincuspid maxillary teeth, and (8) premaxilla in the outer row with four to five (mostly five) tri- to quincuspid teeth which are implanted in an irregularly row.
Zarske, A., Le Bail, P.-Y. & Géry, J.
Vertebrate Zoology, 60 (1): 3-10, 2010.