The Blue tilapia (Oreochromis aureus) is a brackish-water fish of the family Cichlidae that grows up to 46 cm.
Description
The blue tilapia (Oreochromis aureus) is a robust cichlid native to North Africa and the Near East, including the Nile, Jordan, Niger and Senegal. The species has a deep, laterally compressed, blue-grey body and reaches about 45 cm. It is remarkably cold-tolerant and tolerates brackish water, which makes it particularly suitable for farming. It is an omnivore feeding on algae, plankton and detritus. Like other Oreochromis species it is a maternal mouthbrooder. The blue tilapia has been introduced worldwide for aquaculture and has become an invasive species in many areas.
Frequently asked questions
How do you recognise the Blue tilapia?
The Blue tilapia has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Cold-tolerant, brackish-water-tolerant maternal mouthbrooder; important farmed and invasive species.
Where does the Blue tilapia live?
The Blue tilapia lives in brackish water and is mostly found around mixed bottom. Fresh and brackish water of North Africa and the Near East.
How big does the Blue tilapia get?
The Blue tilapia grows to a maximum of about 46 cm. On average the species is around 16 cm.
Is the Blue tilapia dangerous to humans?
No, the Blue 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 Blue tilapia edible?
Yes, the Blue tilapia is a highly prized food fish.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
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Safety
Status & sources
Same genus Oreochromis
More from the family Cichlidae

Want the complete picture on the Blue tilapia?
Point your camera at the fish and Fin names the species in seconds. Free, and the Blue tilapia is one of 12,519 species in the app.