Fin's Fish Guide
The Cuban Killifish (Cubanichthys cubensis) is a brackish-water fish of the family Cyprinodontidae that grows up to 8 cm.
Description
The Cuban killifish is a small egg-laying toothcarp (Cyprinodontidae) endemic to Cuba. The species grows to a few centimetres and has a slender body with shiny lengthwise lines and a blue-green sheen on the flanks. It inhabits calm fresh and slightly brackish waters, such as pools, brooks and swamps. It is not a seasonal killifish. As an omnivore it feeds on small zooplankton, insect larvae, algae and detritus. It is easy to keep in the aquarium and is harmless to humans.
Frequently asked questions
How do you recognise the Cuban Killifish?
The Cuban Killifish has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern. Endemic little killifish from Cuba with a blue-green sheen; not a seasonal killifish.
Where does the Cuban Killifish live?
The Cuban Killifish lives in brackish water and is mostly found around sand or mud bottom. Endemic to Cuba; calm fresh and slightly brackish waters.
How big does the Cuban Killifish get?
The Cuban Killifish grows to a maximum of about 8 cm.
Is the Cuban Killifish dangerous to humans?
No, the Cuban Killifish is harmless to humans. None required: this species is harmless to humans.
Is the Cuban Killifish edible?
The Cuban Killifish is not usually eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Cubanichthys
More from the family Cyprinodontidae
Want the complete picture on the Cuban Killifish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Cuban Killifish is one of 12,519 species in the app.