Fin's Fish Guide
The Threespot headstander (Pseudanos trimaculatus) is a freshwater fish of the family Anostomidae that grows up to 19 cm.
Description
The threespot headstander is a headstander (Anostomidae) from fresh water of the Amazon and Orinoco basins in South America. The species grows to about 19 cm and has an elongate, silvery body with a small mouth and three dark blotches along the flank. It often swims obliquely head-down and eats algae, plant material, small invertebrates and detritus. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Threespot headstander?
The Threespot headstander has a torpedo-shaped body, is mainly silver-grey and shows a spots pattern.
Where does the Threespot headstander live?
The Threespot headstander lives in fresh water and is mostly found around mixed bottom. South America: Argentina, Brazil, Ecuador, Guyana, Peru
How big does the Threespot headstander get?
The Threespot headstander grows to a maximum of about 19 cm.
Is the Threespot headstander dangerous to humans?
No, the Threespot headstander is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Threespot headstander edible?
Yes, the Threespot headstander is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Pseudanos
More from the family Anostomidae
Want the complete picture on the Threespot headstander?
Point your camera at the fish and Fin names the species in seconds. Free, and the Threespot headstander is one of 12,519 species in the app.