| Rivulidae (Rivulines), subfamily: Cynolebiinae |
| 3 cm TL (male/unsexed) |
|
benthopelagic; freshwater, non-migratory |
| South America: Atlantic coastal river basins in Brazil. |
|
Dorsal soft rays (total): 15-17; Anal soft rays: 18-21; Vertebrae: 28-29. Possess an asymmetrical caudal fin, with convex dorsal outline and a straight ventral outline, anteriormost ventral procurrent ray; a white stripe with narrow ventral black border on the ventral edge of the caudal fin of male. Dorsal fin of male approximately triangular, tip pointed ending in 2 short filamentous rays with the tips reaching middle of caudal fin; dorsal fin rounded to slightly pointed in female. Anal fin of male approximately rectangular, posterior tip slightly elongated; rounded in female. |
| Bottom spawner. Is very difficult to maintain in aquarium (Ref. 27139). Collected in clear water shallow pools (about 30 cm deep) in forest; no aquatic vegetation (Ref. 50094). |
|
Critically Endangered (CR); Date assessed: 07 November 2018 (B2ab(i,ii,iii,iv,v)) Ref. (130435)
|
| harmless |
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