| Family: |
Acestrorhamphidae (American tetras), subfamily: Hyphessobryconinae |
| Max. size: |
2.9 cm SL (male/unsexed); 3.89 cm SL (female) |
| Environment: |
demersal; freshwater; pH range: 4.02 - 5.51 |
| Distribution: |
South America: Brazil, Central and lower Amazon basin (Ref. 132965). |
| Diagnosis: |
Dorsal spines (total): 2-2; Dorsal soft rays (total): 9-10; Anal spines: 4-4; Anal soft rays: 17-21. This species is distinguish the species from its congeners and Hemigrammus species by the following characters (see the original description where the long diagnosis looks more as an identification key): humeral blotch very conspicuous, well-defined, and elongated with a shorter and posterior backward extension; longer anal fin, with a higher number of branched anal-fin rays (17?21 vs. 11?14); caudal peduncle blotch large, symmetric, extending into the basis of the middle caudal fin rays; etc. Other distinguishing characters are listed species by species (Ref. 132985). |
| Biology: |
|
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.
