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Tanganyika algae-eater (Acapoeta tanganicae) — Cyprinidae

Tanganyika algae-eater

Acapoeta tanganicae
Family: Cyprinidae
LC · Least Concern

The Tanganyika algae-eater (Acapoeta tanganicae) is a freshwater fish of the family Cyprinidae that grows up to 61 cm.

Length
61 cm
Water
Freshwater
Diet
Herbivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Lake Tanganyika and its inflowing rivers in East Africa.
Edibility
Commonly eaten

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Description

Acapoeta tanganicae is a large African cyprinid of the family Cyprinidae from Lake Tanganyika and its inflowing rivers in East Africa. The species has a streamlined, silvery body with a ventral, rasping mouth with fleshy lips and reaches about 61 cm. It occurs in rocky shoreline zones of the lake and in fast-flowing parts of rivers, where it is one of the most common species. With its rasping mouth it scrapes algae and aufwuchs from rocks and hard surfaces. Owing to its size and abundance the species is important for fisheries and a valued food fish. It undertakes spawning migrations up the rivers.

Frequently asked questions

How do you recognise the Tanganyika algae-eater?

The Tanganyika algae-eater has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Inferior rasping mouth for scraping algae off rocks; one of the commonest fishes of the lake.

Where does the Tanganyika algae-eater live?

The Tanganyika algae-eater lives in fresh water and is mostly found around mixed bottom. Lake Tanganyika and its inflowing rivers in East Africa.

How big does the Tanganyika algae-eater get?

The Tanganyika algae-eater grows to a maximum of about 61 cm.

Is the Tanganyika algae-eater dangerous to humans?

No, the Tanganyika algae-eater is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Tanganyika algae-eater edible?

Yes, the Tanganyika algae-eater is commonly eaten.

More photos

Tanganyika algae-eater (Acapoeta tanganicae) — Cyprinidae — 2
iNaturalist ((c) Gina Walsh, some rights reserved (CC BY-NC))
Tanganyika algae-eater (Acapoeta tanganicae) — Cyprinidae — 3
Kai Borckenhagen (CC0 1.0) via GBIF — NHMUK
Tanganyika algae-eater (Acapoeta tanganicae) — Cyprinidae — 4
iNaturalist ((c) Eric van den Berghe, some rights reserved (CC BY-NC))
Tanganyika algae-eater (Acapoeta tanganicae) — Cyprinidae — 5
iNaturalist ((c) Ad Konings, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Tanganyika algae-eater sourced
Scientific name
Acapoeta tanganicae
Family
Cyprinidae

Appearance

Size class
Large verified
Max length (cm)
61.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Lake Tanganyika and its inflowing rivers in East Africa. inferred
Origin
Native sourced

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Algae and biofilm (aufwuchs) from rocks sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Inferior rasping mouth for scraping algae off rocks; one of the commonest fishes of the lake. sourced

For anglers

Edibility
Commonly eaten sourced
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
Harmless sourced
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

More from the family Cyprinidae

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