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Blackbelly hap (Tyrannochromis nigriventer) — Cichlidae

Blackbelly hap

Tyrannochromis nigriventer
Family: Cichlidae
LC · Least Concern

The Blackbelly hap (Tyrannochromis nigriventer) is a freshwater fish of the family Cichlidae that grows up to 35 cm.

Length
35 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Endemic to Lake Malawi in East Africa; shallow rocky zone.
Edibility
Rarely eaten

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Description

The blackbelly hap is a large predatory cichlid endemic to Lake Malawi in East Africa. The species grows to about 35 cm and has an elongate body with a large mouth; courting males colour up bluish with a dark belly, to which the name refers. It prefers sediment-free rocky habitats in shallow areas. As a piscivore it hunts around rocks and into cracks for smaller fishes, especially rock cichlids (mbuna). It is a maternal mouthbrooder. The species is harmless to humans.

Frequently asked questions

How do you recognise the Blackbelly hap?

The Blackbelly hap has an elongate, eel-like body, is mainly blue and shows a plain pattern. Large mouth; hunts mbuna around rocks; maternal mouthbrooder of Lake Malawi.

Where does the Blackbelly hap live?

The Blackbelly hap lives in fresh water and is mostly found around sand or mud bottom. Endemic to Lake Malawi in East Africa; shallow rocky zone.

How big does the Blackbelly hap get?

The Blackbelly hap grows to a maximum of about 35 cm.

Is the Blackbelly hap dangerous to humans?

No, the Blackbelly hap is harmless to humans. None required: this species is harmless to humans.

Is the Blackbelly hap edible?

The Blackbelly hap is rarely eaten.

More photos

Blackbelly hap (Tyrannochromis nigriventer) — Cichlidae — 2
iNaturalist ((c) Michael Verdirame, some rights reserved (CC BY-NC))
Blackbelly hap (Tyrannochromis nigriventer) — Cichlidae — 3
iNaturalist ((c) Marc Henrion, some rights reserved (CC BY-NC))
Blackbelly hap (Tyrannochromis nigriventer) — Cichlidae — 4
Marc Henrion (CC BY-NC 4.0) via GBIF — iNaturalist
Blackbelly hap (Tyrannochromis nigriventer) — Cichlidae — 5
iNaturalist ((c) Stefaneakame, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Blackbelly hap sourced
Scientific name
Tyrannochromis nigriventer
Family
Cichlidae

Appearance

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

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Endemic to Lake Malawi in East Africa; shallow rocky zone. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Smaller fishes, mainly rock-dwelling cichlids (mbuna) sourced
Social behaviour
Solitary inferred
Territorial
Yes inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Large mouth; hunts mbuna around rocks; maternal mouthbrooder of Lake Malawi. sourced

For anglers

Edibility
Rarely 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
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Tyrannochromis

More from the family Cichlidae

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