Home · Doradidae · Rivas' thorny catfish
Rivas' thorny catfish (Pterodoras rivasi) — Doradidae

Rivas' thorny catfish

Pterodoras rivasi
Family: Doradidae
LC · Least Concern

The Rivas' thorny catfish (Pterodoras rivasi) is a freshwater fish of the family Doradidae that grows up to 55 cm.

Length
55 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Commonly eaten

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.

Where does the Rivas' thorny catfish live?

The Rivas' thorny catfish lives in fresh water and is mostly found around sand or mud bottom.

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.

Is the Rivas' thorny catfish edible?

Yes, the Rivas' thorny catfish is commonly eaten.

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All data

Identification

Dutch name
Rivas doornmeerval verified
English name
Rivas' thorny catfish verified
Scientific name
Pterodoras rivasi
Family
Doradidae

Appearance

Size class
Large verified
Max length (cm)
55.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown inferred
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
Yes sourced
Dorsal fins
One continuous sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Origin
Native verified

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Pterodoras

More from the family Doradidae

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