Description

Also known as Tetra.

Found in schools, over coastal rivers.
They feed on crustaceans, plant matter, and worms.
Length - 3cm
Depth - ?m
Widespread South America

Same family as Piranha's

Piranha's have a fearsome reputation (because of James bond 007) as a voracious predator that can strip flesh off bones in minutes, although they have razor sharp teeth they are in fact quite timid scavengers. Ref: https://www.fishbase.de/summary/Hyphessobrycon-takasei.html