Cubanichthys cubensis Care Guide
Cubanichthys cubensis, the Cuban killifish, is a hardy Cuban species of vegetated fresh and brackish waters, easy to keep.
Overview
Cubanichthys cubensis, the Cuban killifish, is endemic to Cuba. FishBase records it at up to 8.0 cm total length, notes it is not a seasonal killifish, and describes it as easy to maintain in the aquarium.
Taxonomy
- Family: Cyprinodontidae
- Genus: Cubanichthys
- Scientific name: Cubanichthys cubensis
Habitat
Wikipedia and FishBase describe the species as endemic to Cuba, predominantly in the western part of the island and more localised centrally. It favours fresh water with dense macrophyte or algal vegetation in open sunny spots, and is occasionally found in brackish water.
Tank requirements
- Minimum tank volume: 40 L (about 11 gal)
- Temperature: 23-28 °C (73-82 °F)
- pH: from about 7.0 (FishBase)
- GH: 5-15 °dGH
- Lifespan: 3-4 years
Diet
Wikipedia describes the species as larvivorous, feeding significantly on mosquito larvae, which makes it useful as a biological control agent. In aquaria it takes small live, frozen and prepared foods.
Compatibility
A peaceful top-dwelling species suited to calm, well-planted tanks with small companions such as tetras and rasboras. As with most killifish, a secure cover is recommended.
Conservation status
IUCN Red List: Least Concern (assessed 2020), per FishBase and Wikipedia.