Description

Also known as Black Skirt Tetra, Black Widow, Black Widow Tetra, Blackamoor, Butterfly Tetra, High-fin Black Skirt Tetra, Petticoat Tetra, Sort Tetra, Tetra Negro, White Skirt Tetra, White Widow Tetra.

Found in schools, over middle to upper water levels, in freshwater rivers and river basins.
They feed on small crustaceans, insects and worms.
Length - 7.5cm
Depth - ?m
Widespread South America

Found extensively in the aquarium trade.
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: http://www.fishbase.org/summary/Gymnocorymbus-ternetzi.html