Oreochromis niloticus niloticus

Method of production — Farmed
Production country — Zimbabwe
Production method — Open net pen
Picture of Tilapia

Sustainability rating two info

Sustainability overview

Tilapia farmed in lakes in Zimbabwe are produced with low environmental impacts, making them a good seafood choice. Native fish are used, no chemicals are used in production and the feed used is mainly vegetarian resulting in a low demand for wild fish in the diet.

Feed Resources

Criterion score: 2


Environmental Impacts

Criterion score: 1


Fish Health and Welfare

Criterion score: 2



Criterion score: 0


Production method

Open net pen

Tilapia can be farmed in a number of ways, which varies according to country and size of production. They can be produced in open systems, using pens submerged in freshwater bodies, or in raceways that are flushed by streams.


Based on method of production, fish type, and consumer rating: only fish rated 2 and below are included as an alternative in the list below. Click on a name to show the sustainable options available.

Basa, Tra, Catfish or Vietnamese River Cobbler
Bass, seabass (Farmed)
Bream, Gilthead (Farmed)
Cod, Atlantic Cod
Coley, Saithe
Hake, Cape
Hake, European
Japanese amberjack, Yellowtail or Seriola
Pollack or Lythe
Pollock, Alaska, Walleye
Pouting or Bib
Sturgeon (Farmed)


Tilapia is a generic name used to describe groups of fish called cichlids that are native to Africa. Tilapia are hardy, freshwater fish that tolerate a wide range of water conditions. They inhabit warm ponds, lakes and streams, and reproduce in fresh and brackish water. They mainly feed on phytoplankton, zooplankton and algae. They reach a maximum size of 45cm and a weight of 2kg.


FAO Cultured Species Factsheets: http://www.fao.org/fishery/culturedspecies/Oreochromis_niloticus/en

A review of global tilapia farming practices (NACA) http://www.enaca.org/modules/news/article.php?storyid=453

ASC Tilapia standard v1.0 (2012)