Fin's Fish Guide
The Spiny pleco (Pseudolithoxus dumus) is a freshwater fish of the family Loricariidae that grows up to 10 cm.
Description
The Spiny pleco is an armoured catfish (Loricariidae) from fast-flowing rivers and streams of the Orinoco basin in South America. The species grows to about 18 cm and has a flattened, bony-plated, brown body with an inferior sucker mouth. As a bottom-dweller it clings to stones and wood in current and rasps algae, biofilm and small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Spiny pleco?
The Spiny pleco has an elongate, eel-like body and is mainly brown.
Where does the Spiny pleco live?
The Spiny pleco lives in fresh water and is mostly found around stony or rocky ground. South America: Venezuela
How big does the Spiny pleco get?
The Spiny pleco grows to a maximum of about 10 cm.
Is the Spiny pleco dangerous to humans?
No, the Spiny pleco 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 Pseudolithoxus
More from the family Loricariidae
Want the complete picture on the Spiny pleco?
Point your camera at the fish and Fin names the species in seconds. Free, and the Spiny pleco is one of 12,519 species in the app.