Fin's Fish Guide
The River sole (Trinectes fluviatilis) is a fish that lives in both fresh and salt water of the family Achiridae that grows up to 5 cm.
Description
The river sole is an American sole (Achiridae) from lower river reaches, estuaries and coastal water of Central and South America. The species grows to about 10 cm and has a round to oval, flattened body with both eyes on the right side and a brown striped or mottled upper side for camouflage. As a bottom-bound fish it lies half-buried in sand and mud and searches for small worms, crustaceans and insect larvae. The fish is harmless to humans.
Frequently asked questions
How do you recognise the River sole?
The River sole has a flatfish-shaped body, is mainly brown and shows a spots pattern.
Where does the River sole live?
The River sole lives in both fresh and salt water and is mostly found around sand or mud bottom. South America: Colombia, Costa Rica, Ecuador, Panama, Peru
How big does the River sole get?
The River sole grows to a maximum of about 5 cm.
Is the River sole dangerous to humans?
No, the River sole 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.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Trinectes
More from the family Achiridae
Want the complete picture on the River sole?
Point your camera at the fish and Fin names the species in seconds. Free, and the River sole is one of 12,519 species in the app.