The Isthmian killi (Cynodonichthys isthmensis) is a freshwater fish of the family Rivulidae that grows up to 7 cm.
Description
The Isthmian killi is a small egg-laying killifish (Rivulidae) from shallow, slow-flowing fresh water of Central America. The species grows to about 5 cm and has a slender, elongate body; males are brown with rows of red and blue spots, females plainer. As a surface fish it lives among floating plants and leaf litter of streams and swamps and snaps at small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Isthmian killi?
The Isthmian killi has an elongate, eel-like body, is mainly brown and shows a spots pattern.
Where does the Isthmian killi live?
The Isthmian killi lives in fresh water and is mostly found around open water.
How big does the Isthmian killi get?
The Isthmian killi grows to a maximum of about 7 cm.
Is the Isthmian killi dangerous to humans?
No, the Isthmian killi is harmless to humans.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Cynodonichthys
More from the family Rivulidae
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