Fin's Fish Guide
The Cocosoda catfish (Pseudauchenipterus nodosus) is a brackish-water fish of the family Auchenipteridae that grows up to 22 cm.
Northeastern South America, on muddy bottoms of brackish river mouths and large rivers.
Description
Pseudauchenipterus nodosus is a scaleless catfish (family Auchenipteridae) of north-eastern South America. The species reaches about 22 cm and has a streamlined, silvery-grey body with barbels. It lives over muddy bottoms in brackish river mouths and probably prefers large rivers and slightly brackish water. Notably it occurs in very dense schools over muddy bottoms. It is an omnivore with a tendency towards detritivory. Reproduction involves internal fertilisation, for which the male has a modified anal fin. The species is of modest commercial value and is harmless to humans.
Frequently asked questions
How do you recognise the Cocosoda catfish?
The Cocosoda catfish has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Forms very dense shoals above muddy bottoms; internal fertilisation via a modified anal fin in the male.
Where does the Cocosoda catfish live?
The Cocosoda catfish lives in brackish water and is mostly found around sand or mud bottom. Northeastern South America, on muddy bottoms of brackish river mouths and large rivers.
How big does the Cocosoda catfish get?
The Cocosoda catfish grows to a maximum of about 22 cm.
Is the Cocosoda catfish dangerous to humans?
No, the Cocosoda catfish is harmless to humans. None required: this species is harmless to humans.
Is the Cocosoda catfish edible?
The Cocosoda catfish is rarely eaten.
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All data
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Appearance
Habitat & distribution
Behaviour & biology
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Status & sources
More from the family Auchenipteridae
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Point your camera at the fish and Fin names the species in seconds. Free, and the Cocosoda catfish is one of 12,519 species in the app.