Rivulus roloffi Roloff, 1938
Hispaniolan rivulus

Family:  Rivulidae (Rivulines), subfamily: Rivulinae
Max. size:  5.5 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  Central America: Dominican Republic.
Diagnosis:   
Biology:  Inhabits headwater streams. Associates with Poecilia and Limia species in small, sand-bottomed creeks with fast currents (Ref. 13498). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).
IUCN Red List Status: Near Threatened (NT); Date assessed: 29 May 2020 (B1b(iii)) Ref. (130435)
Threat to humans:  harmless


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