Fin's Fish Guide
The Slender tetra (Hemigrammus gracilis) is a freshwater fish of the family Characidae that grows up to 4 cm.
Description
The slender tetra is a characin (Characidae) from South America. The species is small, slender and translucent-silvery, often with a shiny stripe or spot at the tail base. It lives in schools in the middle and upper water layers of quiet streams and rivers, often among vegetation. As an omnivore it feeds on small invertebrates, insect larvae, algae and plant matter. It is a prey fish for larger species. The species is harmless to humans.
Frequently asked questions
How do you recognise the Slender tetra?
The Slender tetra has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Slender, translucent small schooling tetra from the Sao Francisco and Amazon basins in Brazil.
Where does the Slender tetra live?
The Slender tetra lives in fresh water and is mostly found around mixed bottom. South America; calm streams and rivers.
How big does the Slender tetra get?
The Slender tetra grows to a maximum of about 4 cm.
Is the Slender tetra dangerous to humans?
No, the Slender tetra is harmless to humans. None required: this species is harmless to humans.
Is the Slender tetra edible?
The Slender tetra is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Hemigrammus
More from the family Characidae
Want the complete picture on the Slender tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Slender tetra is one of 12,519 species in the app.