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Otjikoto tilapia (Tilapia guinasana) — Cichlidae

Otjikoto tilapia

Tilapia guinasana
Family: Cichlidae
CR · Critically Endangered
NativeIntroduced

The Otjikoto tilapia (Tilapia guinasana) is a freshwater fish of the family Cichlidae that grows up to 14 cm.

Length
14 cm
Water
Freshwater
Diet
Herbivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Lake Guinas (Namibia)
Edibility
Rarely eaten

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Description

The Otjikoto tilapia is a cichlid native only to Lake Guinas in Namibia, with introduced populations in Lake Otjikoto and several reservoirs; the species also enters subterranean rivers. It grows to about 14 cm and is strikingly variable in colour, from entirely black to mottled black-and-blue, pink and white. Both parents defend a nest on rocky ledges and guard the eggs and young; competition for nest sites is intense. It grazes mainly algae and diatoms. Because of its very small range, falling groundwater levels and introduced species it is listed as Critically Endangered (CR) on the IUCN Red List.

Frequently asked questions

How do you recognise the Otjikoto tilapia?

The Otjikoto tilapia has a torpedo-shaped body, is mainly multicoloured and shows a marbled pattern. Very variable colour; biparental nest guarder; critically endangered endemic

Where does the Otjikoto tilapia live?

The Otjikoto tilapia lives in fresh water and is mostly found around mixed bottom. Lake Guinas (Namibia)

How big does the Otjikoto tilapia get?

The Otjikoto tilapia grows to a maximum of about 14 cm.

Is the Otjikoto tilapia dangerous to humans?

No, the Otjikoto tilapia 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 Otjikoto tilapia edible?

The Otjikoto tilapia is rarely eaten.

More photos

Otjikoto tilapia (Tilapia guinasana) — Cichlidae — 2
SAIAB (CC BY 4.0) via GBIF — SAIAB
Otjikoto tilapia (Tilapia guinasana) — Cichlidae — 3
SAIAB (CC BY 4.0) via GBIF — SAIAB
Otjikoto tilapia (Tilapia guinasana) — Cichlidae — 4
SAIAB (CC BY 4.0) via GBIF — SAIAB
Otjikoto tilapia (Tilapia guinasana) — Cichlidae — 5
iNaturalist ((c) Steffi, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Otjikoto tilapia verified
Scientific name
Tilapia guinasana
Family
Cichlidae
Other names
Otjikoto Tilapia; Otjikoto tilapia verified

Appearance

Size class
Small verified
Max length (cm)
14.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Multicoloured sourced
Pattern
Marbled sourced
Tail shape
Straight inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Lake Guinas (Namibia) verified
Origin
Native verified

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Mainly algae and diatoms sourced
Social behaviour
Small groups sourced
Territorial
Yes sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes sourced
Seasonality
Substrate-brooding endemic cichlid; guards the nest on rock ledges. sourced
Special features
Very variable colour; biparental nest guarder; critically endangered endemic sourced

For anglers

Edibility
Rarely 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 Tilapia

More from the family Cichlidae

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