Fin's Fish Guide
The Tetra (Creagrutus affinis) is a freshwater fish of the family Characidae that grows up to 8 cm.
Northwestern South America and Central America; clear streams and rivers.
Description
The tetra is a characin (Characidae) from northwestern South America and Central America. The species is small and silvery with a dark spot on the tail base, typical of the genus. It lives near the bottom in schools in clear streams and rivers and forages among gravel and leaf litter. As an omnivore it feeds on small invertebrates, insect larvae, algae and detritus. The species is harmless to humans.
Frequently asked questions
How do you recognise the Tetra?
The Tetra has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Dark caudal blotch; widespread trans-Andean bottom-dwelling tetra of Colombia and Panama.
Where does the Tetra live?
The Tetra lives in fresh water and is mostly found around mixed bottom. Northwestern South America and Central America; clear streams and rivers.
How big does the Tetra get?
The Tetra grows to a maximum of about 8 cm.
Is the Tetra dangerous to humans?
No, the Tetra is harmless to humans. None required: this species is harmless to humans.
Is the Tetra edible?
The Tetra is not usually eaten.
Want the complete picture on the Tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Tetra is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Creagrutus
More from the family Characidae
Want the complete picture on the Tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Tetra is one of 12,519 species in the app.