Isle of Pines rivulus (Rivulus insulaepinorum)

Scientific name: Rivulus insulaepinorum de la Cruz & Dubitsky, 1976

The Isle of Pines rivulus (Rivulus insulaepinorum) is a freshwater fish of the family Rivulidae. Native range: Central America, known only from Isle of Pines, Cuba.

Biology

Inhabits permanent and temporary waters, preferring clear water without much aquatic vegetation and frequenting bottoms of small stones or course sand. Hides in the substrate, often staying for considerable periods of time. Largest adults were taken from small puddles in rice fields that had dried up after irrigation was suspended. Associates with Gambusia punctata, G. puncticulata and Cichlasoma tetracanthus. Not a seasonal killifish.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Rivulus insulaepinorum
Family
Rivulidae (Rivulines)
Order
Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
6.0
Environment
Freshwater; benthopelagic; non-migratory
Climate
Tropical
Distribution
Central America: known only from Isle of Pines, Cuba.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
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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