Fin's Fish Guide
The Tetra (Phenacogaster megalostictus) is a freshwater fish of the family Characidae that grows up to 4 cm.
Description
The largespot tetra is a small characin (Characidae) from South America. The species is small and has a translucent, silvery body with a conspicuous dark blotch on the tail base. It lives in schools in rivers and streams. As an omnivore it feeds on small zooplankton, insects and larvae and plant matter. It is a prey fish for larger fishes. The species is harmless to humans.
Frequently asked questions
How do you recognise the Tetra?
The Tetra has a torpedo-shaped body, is mainly silver-grey and shows a spots pattern. Translucent body with a dark blotch on the caudal peduncle; schooling characin.
Where does the Tetra live?
The Tetra lives in fresh water and is mostly found around mixed bottom. South America; rivers and streams.
How big does the Tetra get?
The Tetra grows to a maximum of about 4 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.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Phenacogaster
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.
Or scan with your phone