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Western suckermouth catfish (Chiloglanis occidentalis) — Mochokidae

Western suckermouth catfish

Chiloglanis occidentalis
Family: Mochokidae
LC · Least Concern

The Western suckermouth catfish (Chiloglanis occidentalis) is a freshwater fish of the family Mochokidae that grows up to 6 cm.

Length
5.7 cm
Water
Freshwater
Diet
Herbivore
Behaviour
Small groups
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Range
West Africa; clear flowing streams and rivers with a rocky bottom.
Edibility
Not eaten

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Description

The western suckermouth catfish is a small catfish of the family Mochokidae from West Africa. The species grows to only about 6 cm and has a flattened body and a sucker-like, downward-pointing mouth with fleshy lips, with which it attaches to stones in fast-flowing water and grazes growth. It inhabits clear, flowing streams and rivers with a rocky bottom. It feeds on the growth layer of algae, diatoms and small invertebrates. The stout pectoral fin spines can give a puncture wound; otherwise the fish is harmless to humans.

Frequently asked questions

How do you recognise the Western suckermouth catfish?

The Western suckermouth catfish has an elongate, eel-like body, is mainly brown and shows a spots pattern. Sucker-like mouth to attach itself to stones in fast-flowing water.

Where does the Western suckermouth catfish live?

The Western suckermouth catfish lives in fresh water and is mostly found around mixed bottom. West Africa; clear flowing streams and rivers with a rocky bottom.

How big does the Western suckermouth catfish get?

The Western suckermouth catfish grows to a maximum of about 6 cm.

Is the Western suckermouth catfish dangerous to humans?

No, the Western suckermouth catfish is harmless to humans. Not venomous, but the stout, serrated pectoral and dorsal fin spines can inflict a painful puncture wound. Clean the wound thoroughly and seek medical care if it becomes infected.

Is the Western suckermouth catfish edible?

The Western suckermouth catfish is not usually eaten.

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All data

Identification

English name
Western suckermouth catfish sourced
Scientific name
Chiloglanis occidentalis
Family
Mochokidae

Appearance

Size class
Small verified
Max length (cm)
5.7 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Spots inferred
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
Yes sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
West Africa; clear flowing streams and rivers with a rocky bottom. inferred
Origin
Native sourced

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Algae, diatoms and small invertebrates from stones sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Sucker-like mouth to attach itself to stones in fast-flowing water. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
Not venomous, but the stout, serrated pectoral and dorsal fin spines can inflict a painful puncture wound. Clean the wound thoroughly and seek medical care if it becomes infected. sourced

Status & sources

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

Same genus Chiloglanis

More from the family Mochokidae

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