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Driftwood catfish (Trachelyopterus galeatus) — Auchenipteridae

Driftwood catfish

Trachelyopterus galeatus
LC · Least Concern

The Driftwood catfish (Trachelyopterus galeatus) is a freshwater fish of the family Auchenipteridae that grows up to 30 cm.

Length
30 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Can cause injury
Range
Fresh water of northern and central South America, in calm rivers, creeks and floodplains with submerged wood.
Edibility
Rarely eaten

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Description

The driftwood catfish is a stocky South American catfish of the family Auchenipteridae reaching about 30 cm. The brown, spotted body has a broad, flattened head with barbels, an adipose fin and stout spines in the pectoral and dorsal fins that can cause painful puncture wounds. By day it shelters in crevices, hollow logs and among submerged wood - hence the name. At night it hunts insects, small crustaceans, small fish and plant matter. Notable is its reproduction: fertilisation is internal and the female can store the sperm for a time before laying the eggs. The species comes from northern and central South America and is popular in the aquarium hobby.

Frequently asked questions

How do you recognise the Driftwood catfish?

The Driftwood catfish has a torpedo-shaped body, is mainly brown and shows a spots pattern. Stocky South American catfish with a broad head, barbels and sturdy spines; with internal fertilisation the female stores the sperm.

Where does the Driftwood catfish live?

The Driftwood catfish lives in fresh water and is mostly found around sand or mud bottom. Fresh water of northern and central South America, in calm rivers, creeks and floodplains with submerged wood.

How big does the Driftwood catfish get?

The Driftwood catfish grows to a maximum of about 30 cm.

Is the Driftwood catfish dangerous to humans?

The Driftwood catfish can cause injury; handle it with care. The pectoral and dorsal fins bear stout, serrated spines that can cause painful puncture or cut wounds; handle a caught animal carefully and clean any wound.

Is the Driftwood catfish edible?

The Driftwood catfish is rarely eaten.

More photos

Driftwood catfish (Trachelyopterus galeatus) — Auchenipteridae — 2
iNaturalist ((c) IHUNTA, some rights reserved (CC BY-NC))
Driftwood catfish (Trachelyopterus galeatus) — Auchenipteridae — 3
IHUNTA (CC BY-NC 4.0) via GBIF — iNaturalist
Driftwood catfish (Trachelyopterus galeatus) — Auchenipteridae — 4
iNaturalist ((c) elfedemess, some rights reserved (CC BY-NC))
Driftwood catfish (Trachelyopterus galeatus) — Auchenipteridae — 5
Wikimedia Commons — Berger, Daniel; Berger, F. G.; Bloch, Marcus Elieser; Bodenehr, G.; Bodenehr, George; Buchhandlung der Realschule; Darchow, C.; Gursch, C. F.; Hesse; Krüger; Rosenberg, F. C. W.; Schmidt, A. F.; Schmidt, F. G.; Schmidt, Friedrich Wilhelm; Schmidt, Johann Gottlieb; Schmidt, Ludwig (Public domain)
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All data

Identification

English name
Driftwood catfish verified
Scientific name
Trachelyopterus galeatus
Family
Auchenipteridae

Appearance

Size class
Medium verified
Max length (cm)
30.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
Yes verified
Dorsal fins
One continuous sourced
Dorsal spines
Yes verified

Habitat & distribution

Water type
Freshwater verified
Substrate
Sand / mud bottom verified
Natural range
Fresh water of northern and central South America, in calm rivers, creeks and floodplains with submerged wood. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Insects, small crustaceans, small fishes and plant material sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Nocturnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
Yes verified
levensduur_max_jaar
3.0 verified
Seasonality
Spawns in the rainy season after internal fertilisation; the female can store the sperm for some time before she deposits the eggs. sourced
Special features
Stocky South American catfish with a broad head, barbels and sturdy spines; with internal fertilisation the female stores the sperm. sourced

For anglers

Edibility
Rarely eaten verified
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Can cause injury verified
First aid
The pectoral and dorsal fins bear stout, serrated spines that can cause painful puncture or cut wounds; handle a caught animal carefully and clean any wound. sourced

Status & sources

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

Same genus Trachelyopterus

More from the family Auchenipteridae

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