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Dwarf thorny catfish (Physopyxis lyra) — Doradidae

Dwarf thorny catfish

Physopyxis lyra
Family: Doradidae
NE · Not Evaluated

The Dwarf thorny catfish (Physopyxis lyra) is a freshwater fish of the family Doradidae that grows up to 4 cm.

Length
3.5 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Not eaten

Description

The dwarf thorny catfish is a minute thorny catfish from fresh water of the Amazon basin of South America. The species reaches only about 4 cm and has a stocky body armoured with bony, thorned plates and short barbels. As a nocturnal bottom-dweller it shelters by day among leaf litter and wood and searches at night for small invertebrates and detritus. The thorned plates provide protection against predators. The fish is harmless to humans. The IUCN has not evaluated the species.

Frequently asked questions

How do you recognise the Dwarf thorny catfish?

The Dwarf thorny catfish has an elongate, eel-like body, is mainly brown and shows a marbled pattern.

Where does the Dwarf thorny catfish live?

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

How big does the Dwarf thorny catfish get?

The Dwarf thorny catfish grows to a maximum of about 4 cm.

Is the Dwarf thorny catfish dangerous to humans?

No, the Dwarf thorny catfish is harmless to humans.

Is the Dwarf thorny catfish edible?

The Dwarf thorny catfish is not usually eaten.

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All data

Identification

Dutch name
Dwerg-doornmeerval verified
English name
Dwarf thorny catfish verified
Scientific name
Physopyxis lyra
Family
Doradidae

Appearance

Size class
Small verified
Max length (cm)
3.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Marbled sourced
Tail shape
Rounded inferred
Mouth position
Inferior (downward) 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
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

More from the family Doradidae

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