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Lake Magadi tilapia (Alcolapia grahami) — Cichlidae

Lake Magadi tilapia

Alcolapia grahami
Family: Cichlidae
VU · Vulnerable

The Lake Magadi tilapia (Alcolapia grahami) is a freshwater fish of the family Cichlidae that grows up to 11 cm.

Length
11 cm
Water
Freshwater
Depth
0–? m
Diet
Herbivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Kenya (Lake Magadi)
Edibility
Rarely eaten

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Description

The Lake Magadi tilapia is a small cichlid native only to Lake Magadi in Kenya, an extremely alkaline soda lake, and introduced to lakes such as Nakuru and Natron. The species grows to only about 11 cm. Females are golden, while males have pale blue flanks, white mouth patches and iridescent blue speckles. The fish is exceptionally well adapted to hostile conditions: it tolerates water above 40 degrees, excretes urea, and gulps air at high temperatures. It grazes on cyanobacteria and eats small invertebrates. Females are mouthbrooders. Because of its very small range the species is regarded as Vulnerable (VU).

Frequently asked questions

How do you recognise the Lake Magadi tilapia?

The Lake Magadi tilapia has a torpedo-shaped body, is mainly yellow-gold and shows a plain pattern. Lives in an extremely alkaline soda lake; tolerates well over 40 degrees, excretes urea and gulps air

Where does the Lake Magadi tilapia live?

The Lake Magadi tilapia lives in fresh water and is mostly found around mixed bottom. Kenya (Lake Magadi)

How big does the Lake Magadi tilapia get?

The Lake Magadi tilapia grows to a maximum of about 11 cm.

Is the Lake Magadi tilapia dangerous to humans?

No, the Lake Magadi 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 Lake Magadi tilapia edible?

The Lake Magadi tilapia is rarely eaten.

More photos

Lake Magadi tilapia (Alcolapia grahami) — Cichlidae — 2
iNaturalist ((c) tilapiamap, some rights reserved (CC BY-NC))
Lake Magadi tilapia (Alcolapia grahami) — Cichlidae — 3
iNaturalist ((c) Liam Ragan, some rights reserved (CC BY-NC))
Lake Magadi tilapia (Alcolapia grahami) — Cichlidae — 4
Wikimedia Commons — Boulenger, George Albert, 1858-1937 (Public domain)
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All data

Identification

English name
Lake Magadi tilapia verified
Scientific name
Alcolapia grahami
Family
Cichlidae
Other names
Graham's cichlid, Magadi tilapia; Magadi tilapia; Graham's cichlid sourced

Appearance

Size class
Small
Max length (cm)
11.0 sourced
Body shape
Torpedo-shaped inferred
Dominant colour
Yellow / gold sourced
Pattern
Plain inferred
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 inferred
Min depth (m)
0 sourced
Natural range
Kenya (Lake Magadi) verified
Origin
Native verified

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Cyanobacteria, copepods and midge larvae sourced
Social behaviour
Small groups inferred
Territorial
Yes sourced
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes sourced
Seasonality
Mouthbrooding cichlid; breeds year-round in the warm soda water. sourced
Special features
Lives in an extremely alkaline soda lake; tolerates well over 40 degrees, excretes urea and gulps air sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Fishing with plant bait or paste bait on a bottom or float rig. 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 Alcolapia

More from the family Cichlidae

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