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Grauer's haplo (Haplochromis graueri) — Cichlidae

Grauer's haplo

Haplochromis graueri
Family: Cichlidae
LC · Least Concern

The Grauer's haplo (Haplochromis graueri) is a freshwater fish of the family Cichlidae that grows up to 12 cm.

Length
11.8 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Fresh water, endemic to Lake Kivu (border of DR Congo and Rwanda) in East Africa, near rocky and vegetated shores.
Edibility
Rarely eaten

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Description

Grauer's haplo is a small, colourful cichlid of the family Cichlidae reaching about 12 cm and endemic to Lake Kivu in East Africa. Outside the breeding season it is inconspicuous, but the breeding male colours up vivid blue-yellow with dark cross-bands. Characteristic is its reproduction: the female takes the fertilised eggs into her mouth and broods them there, after which the young still retreat into the mouth when threatened (mouthbrooder). The species lives near rocky and vegetated shores of the lake. As a small predator it hunts insect larvae, small crustaceans, snails and small fish. Like other haplochromine cichlids it is part of the rich, rapidly evolved species flock of the East African lakes.

Frequently asked questions

How do you recognise the Grauer's haplo?

The Grauer's haplo has an elongate, eel-like body, is mainly blue and shows a vertical stripes pattern. Small, colourful lake cichlid endemic to Lake Kivu; the male colours brightly, and the female broods the eggs in her mouth.

Where does the Grauer's haplo live?

The Grauer's haplo lives in fresh water and is mostly found around stony or rocky ground. Fresh water, endemic to Lake Kivu (border of DR Congo and Rwanda) in East Africa, near rocky and vegetated shores.

How big does the Grauer's haplo get?

The Grauer's haplo grows to a maximum of about 12 cm.

Is the Grauer's haplo dangerous to humans?

No, the Grauer's haplo is harmless to humans. None required: this species is harmless to humans.

Is the Grauer's haplo edible?

The Grauer's haplo is rarely eaten.

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All data

Identification

English name
Grauer's haplo verified
Scientific name
Haplochromis graueri
Family
Cichlidae
Other names
Grauer's Kivu haplo sourced

Appearance

Size class
Small verified
Max length (cm)
11.8 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Blue sourced
Pattern
Vertical bars sourced
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
Yes verified

Habitat & distribution

Water type
Freshwater verified
Substrate
Stone or rock verified
Natural range
Fresh water, endemic to Lake Kivu (border of DR Congo and Rwanda) in East Africa, near rocky and vegetated shores. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Insect larvae, small crustaceans, snails and small fishes sourced
Social behaviour
Small groups verified
Territorial
Yes verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
Yes verified
Seasonality
Spawns year-round; the female broods the fertilised eggs in her mouth and protects the juveniles there (mouthbrooder). sourced
Special features
Small, colourful lake cichlid endemic to Lake Kivu; the male colours brightly, and the female broods the eggs in her mouth. sourced

For anglers

Edibility
Rarely eaten verified
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 verified
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Haplochromis

More from the family Cichlidae

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