Family: |
Characidae (Characins; tetras), subfamily: Stevardiinae |
Max. size: |
4.32 cm (male/unsexed) |
Environment: |
pelagic; freshwater |
Distribution: |
South America: French Guyana. Collected in all river
basins of French Guyana (see also Planquette et al., 1996, page 241) (Ref. 84136). |
Diagnosis: |
A relatively small species (largest known
specimen 56.7 mm SL) of the genus Bryconamericus Eigenmann, 1907 (type-species: B. exodon Eigenmann, 1907). The new species is 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 – 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 a irregularly row (Ref. 84136). |
Biology: |
|
IUCN Red List Status: |
Least Concern (LC); Date assessed: 14 December 2020 Ref. (130435)
|
Threat to humans: |
harmless |
Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.