Rivulidae (Rivulines), subfamily: Rivulinae |
5.5 cm TL (male/unsexed) |
benthopelagic; freshwater; pH range: 6 - 7.19999980926514; dH range: 8, non-migratory |
South America: Amazon River basin, Venezuela. |
Dorsal soft rays (total): 8-10; Anal soft rays: 11-14. Distinguished from all known species of Rivulus by the elongation, in males, of the dorsal and ventral caudal-fin rays to form a lyretail (Ref. 26751). |
Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139). |
Near Threatened (NT); Date assessed: 07 August 2019 (B1b(iii)+2b(iii)) Ref. (130435)
|
harmless |
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