Fin's Fish Guide
The Rivas' thorny catfish (Pterodoras rivasi) is a freshwater fish of the family Doradidae that grows up to 55 cm.
Description
Rivas' thorny catfish is a thorny catfish from the Orinoco basin in South America. The species grows to about 55 cm and has a stocky body with a row of bony, thorny plates along the flank and strong, serrated dorsal and pectoral spines, characteristic of the thorny catfishes. As a bottom-dweller of large rivers it eats fruit, seeds, molluscs and invertebrates. The fish is harmless to humans, though the spines can prick when handled. The IUCN assesses the species as Least Concern (LC).
Frequently asked questions
How do you recognise the Rivas' thorny catfish?
The Rivas' thorny catfish has a torpedo-shaped body, is mainly brown and shows a plain pattern. Row of bony thorn plates and serrated fin spines; bottom-dweller
Where does the Rivas' thorny catfish live?
The Rivas' thorny catfish lives in fresh water and is mostly found around sand or mud bottom. Orinoco basin
How big does the Rivas' thorny catfish get?
The Rivas' thorny catfish grows to a maximum of about 55 cm.
Is the Rivas' thorny catfish dangerous to humans?
No, the Rivas' thorny catfish 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 Rivas' thorny catfish edible?
Yes, the Rivas' thorny catfish is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Pterodoras
More from the family Doradidae
Want the complete picture on the Rivas' thorny catfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Rivas' thorny catfish is one of 12,519 species in the app.