Hispaniolan rivulus (Rivulus roloffi)

Scientific name: Rivulus roloffi Roloff, 1938

The Hispaniolan rivulus (Rivulus roloffi) is a freshwater fish of the family Rivulidae. In the aquarium it needs water at 20–26°C (68–79°F). Native range: Central America, Dominican Republic.

Hispaniolan rivulus care at a glance

Temperature
20–26°C (68–79°F)

Biology

Inhabits headwater streams. Associates with Poecilia and Limia species in small, sand-bottomed creeks with fast currents. Not a seasonal killifish. Is difficult to maintain in aquarium.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Rivulus roloffi
Family
Rivulidae (Rivulines)
Order
Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
5.5
Environment
Freshwater; benthopelagic; non-migratory
Climate
Tropical
Distribution
Central America: Dominican Republic.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Aquarium: commercial
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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