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Lake Rukwa sardine (Chelaethiops rukwaensis) — Cyprinidae

Lake Rukwa sardine

Chelaethiops rukwaensis
Family: Cyprinidae
VU · Vulnerable

The Lake Rukwa sardine (Chelaethiops rukwaensis) is a freshwater fish of the family Cyprinidae that grows up to 10 cm.

Length
10 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Range
Lake Rukwa
Edibility
Commonly eaten

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Description

The Lake Rukwa sardine is a small cyprinid endemic to Lake Rukwa in Tanzania. The species grows to about 10 cm and has a slender, silvery, sardine-like body. It forms large schools in the open water of the lake and feeds on small zooplankton and insects. Although it could support a substantial fishery, this is barely developed. Because of its restricted range in a single lake it is listed as Vulnerable (VU) on the IUCN Red List.

Frequently asked questions

How do you recognise the Lake Rukwa sardine?

The Lake Rukwa sardine has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Slender silvery sardine-like small schooling fish; endemic to a single lake

Where does the Lake Rukwa sardine live?

The Lake Rukwa sardine lives in fresh water and is mostly found around mixed bottom. Lake Rukwa

How big does the Lake Rukwa sardine get?

The Lake Rukwa sardine grows to a maximum of about 10 cm.

Is the Lake Rukwa sardine dangerous to humans?

No, the Lake Rukwa sardine 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 Lake Rukwa sardine edible?

Yes, the Lake Rukwa sardine is commonly eaten.

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All data

Identification

English name
Lake Rukwa sardine verified
Scientific name
Chelaethiops rukwaensis
Family
Cyprinidae

Appearance

Size class
Small verified
Max length (cm)
10.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Superior (upward) sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Lake Rukwa verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small zooplankton and insects inferred
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Pelagic lake sardine; present year-round. sourced
Special features
Slender silvery sardine-like small schooling fish; endemic to a single lake 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
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

Same genus Chelaethiops

More from the family Cyprinidae

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