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Cobalt blue zebra (Maylandia callainos) — Cichlidae

Cobalt blue zebra

Maylandia callainos
Family: Cichlidae
LC · Least Concern

The Cobalt blue zebra (Maylandia callainos) is a freshwater fish of the family Cichlidae that grows up to 8 cm.

Length
8 cm
Water
Freshwater
Depth
3.0–4.0 m
Diet
Herbivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Lake Malawi
Edibility
Not eaten

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Description

The cobalt blue zebra is an mbuna cichlid endemic to Nkhata Bay in Lake Malawi in East Africa and introduced to several islands in the lake. The species grows to about 8 cm and stands out for its bright cobalt-blue colour. It lives in the rocky zone and grazes growth and algae (aufwuchs) from the stones with its mouth. Like most mbuna it is a maternal mouthbrooder, with the female incubating the eggs and larvae in her mouth. The fish is popular in the aquarium trade and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Cobalt blue zebra?

The Cobalt blue zebra has a torpedo-shaped body, is mainly blue and shows a plain pattern. Bright blue rock-dwelling mbuna; aufwuchs grazer; maternal mouthbrooder

Where does the Cobalt blue zebra live?

The Cobalt blue zebra lives in fresh water and is mostly found around mixed bottom. Lake Malawi

How big does the Cobalt blue zebra get?

The Cobalt blue zebra grows to a maximum of about 8 cm.

Is the Cobalt blue zebra dangerous to humans?

No, the Cobalt blue zebra 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 Cobalt blue zebra edible?

The Cobalt blue zebra is not usually eaten.

More photos

Cobalt blue zebra (Maylandia callainos) — Cichlidae — 2
Emile (CC BY-NC 4.0) via GBIF — iNaturalist
Cobalt blue zebra (Maylandia callainos) — Cichlidae — 3
Wikimedia Commons — Lee Nachtigal (CC BY 2.0)
Cobalt blue zebra (Maylandia callainos) — Cichlidae — 4
Wikimedia Commons — Lee Nachtigal (CC BY 2.0)
Cobalt blue zebra (Maylandia callainos) — Cichlidae — 5
iNaturalist ((c) Stefaneakame, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Cobalt blue zebra verified
Scientific name
Maylandia callainos
Family
Cichlidae

Appearance

Size class
Small verified
Max length (cm)
8.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Blue sourced
Pattern
Plain sourced
Tail shape
Straight inferred
Mouth position
Terminal sourced
Lips
Thick / fleshy sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Min depth (m)
3.0 verified
Max depth (m)
4.0 verified
Natural range
Lake Malawi verified
Origin
Native verified

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Biofilm and algae (aufwuchs) sourced
Social behaviour
Small groups inferred
Territorial
Yes inferred
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes sourced
Seasonality
Mouthbrooding mbuna; present year-round in the rocky zone. sourced
Special features
Bright blue rock-dwelling mbuna; aufwuchs grazer; maternal mouthbrooder sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable 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 Maylandia

More from the family Cichlidae

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