The Magdalena rivulus (Cynodonichthys magdalenae) is a freshwater fish of the family Rivulidae that grows up to 7 cm.
Description
The Magdalena rivulus is a small killifish from fresh water of northwestern South America, in the Magdalena basin of Colombia. The species grows to about 7 cm and has a slender, elongate body; males have fine red spots and accents, while females are an inconspicuous brown with a tail eyespot. It lives in small forest pools and streams and can make short jumps over moist ground. It feeds on small invertebrates and insect larvae. The fish appears in the aquarium hobby. The IUCN has not evaluated the species.
Frequently asked questions
How do you recognise the Magdalena rivulus?
The Magdalena rivulus has an elongate, eel-like body, is mainly red-orange and shows a spots pattern.
Where does the Magdalena rivulus live?
The Magdalena rivulus lives in fresh water and is mostly found around mixed bottom.
How big does the Magdalena rivulus get?
The Magdalena rivulus grows to a maximum of about 7 cm.
Is the Magdalena rivulus dangerous to humans?
No, the Magdalena rivulus is harmless to humans.
Is the Magdalena rivulus edible?
The Magdalena rivulus is not usually eaten.
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Cynodonichthys
More from the family Rivulidae
Download Fin's Fish Guide
Identify fish in seconds, log your catches and dives. Join the TestFlight beta.