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Poll's catfish (Chrysichthys polli) — Claroteidae

Poll's catfish

Chrysichthys polli
Family: Claroteidae
VU · Vulnerable

The Poll's catfish (Chrysichthys polli) is a freshwater fish of the family Claroteidae that grows up to 11 cm.

Length
11.2 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Small groups
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Can cause injury
Range
Central Africa; rivers and lakes.
Edibility
Commonly eaten

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Description

The Poll's catfish is an African claroteid catfish (Claroteidae) from rivers and lakes of Lake Tanganyika in East Africa. The species grows to about 30 cm and has a sturdy, scaleless, greyish body with four pairs of barbels, an adipose fin and a flattened head. As a nocturnal bottom-dweller it searches over sand and mud for insect larvae, molluscs, crustaceans and small fish. It is locally an important food fish. The stout, serrated pectoral and dorsal spines can give a painful puncture wound when handled.

Frequently asked questions

How do you recognise the Poll's catfish?

The Poll's catfish has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Large catfish with serrated fin spines; vulnerable bottom fish of the Congo basin.

Where does the Poll's catfish live?

The Poll's catfish lives in fresh water and is mostly found around sand or mud bottom. Central Africa; rivers and lakes.

How big does the Poll's catfish get?

The Poll's catfish grows to a maximum of about 11 cm.

Is the Poll's catfish dangerous to humans?

The Poll's catfish can cause injury; handle it with care. For a cut or puncture from a sharp fin spine: rinse the wound with clean water, apply pressure to stop bleeding and cover with a sterile dressing. Check that no spine fragment remains and watch for signs of infection; for a deep wound update tetanus protection.

Is the Poll's catfish edible?

Yes, the Poll's catfish is commonly eaten.

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All data

Identification

English name
Poll's catfish sourced
Scientific name
Chrysichthys polli
Family
Claroteidae

Appearance

Size class
Small verified
Max length (cm)
11.2 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Pattern
Plain 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
Sand / mud bottom sourced
Natural range
Central Africa; rivers and lakes. inferred
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Crustaceans, molluscs, insect larvae, small fishes and plant material sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Large catfish with serrated fin spines; vulnerable bottom fish of the Congo basin. sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Can cause injury verified
First aid
For a cut or puncture from a sharp fin spine: rinse the wound with clean water, apply pressure to stop bleeding and cover with a sterile dressing. Check that no spine fragment remains and watch for signs of infection; for a deep wound update tetanus protection. sourced

Status & sources

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

Same genus Chrysichthys

More from the family Claroteidae

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