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Chilwa tilapia (Oreochromis shiranus) — Cichlidae

Chilwa tilapia

Oreochromis shiranus
Family: Cichlidae
LC · Least Concern

The Chilwa tilapia (Oreochromis shiranus) is a brackish-water fish of the family Cichlidae that grows up to 39 cm.

Length
39 cm
Water
Brackish
Diet
Omnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Edibility
Commonly eaten

Description

The Chilwa tilapia is a cichlid from fresh and brackish water of Malawi and Mozambique. The species reaches about 39 cm, has a silvery-grey, torpedo-shaped body and inhabits very shallow, densely vegetated shore zones and lagoons; it tolerates a wide temperature range of roughly 23 to 42 degrees. The fish feeds on detritus and phytoplankton and is a maternal mouthbrooder, the female carrying the eggs and larvae in her mouth. The species is a valued food fish and is commercially farmed in ponds and cages in Malawi.

Frequently asked questions

How do you recognise the Chilwa tilapia?

The Chilwa tilapia has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern.

Where does the Chilwa tilapia live?

The Chilwa tilapia lives in brackish water and is mostly found around mixed bottom.

How big does the Chilwa tilapia get?

The Chilwa tilapia grows to a maximum of about 39 cm. On average the species is around 25 cm.

Is the Chilwa tilapia dangerous to humans?

No, the Chilwa tilapia is harmless to humans.

Is the Chilwa tilapia edible?

Yes, the Chilwa tilapia is commonly eaten.

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All data

Identification

Dutch name
Chilwa-tilapia sourced
English name
Chilwa tilapia verified
Scientific name
Oreochromis shiranus
Family
Cichlidae
Other names
Shire tilapia; Tilapia shiranus verified

Appearance

Size class
Medium verified
Max length (cm)
39.0 verified
Average length (cm)
25.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Mixed bottom sourced
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Small groups inferred
Territorial
Yes inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred

For anglers

Edibility
Commonly eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

Same genus Oreochromis

More from the family Cichlidae

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