Tilapia

- Name of species:
Tilapia. - Primary potential:
Aquaculture, stock enhancement (but requires approval for wild release of exotics (e.g. as in Papau New Guinea). - Attributes for aquaculture/stock enhancement :
· Hardy, easy to breed and high survival
· Fast growing, multiple harvests per year
· Ease of production (feeding regime, management approach)
· Disease resistant
· Able to be transported live
· Improved strains are available
· Moderate to high economic value
· Potential for export
- Culture methods :
Seed
· Hatchery production required to maintain stock quality· Simple low tech hatchery design
Grow-out
· Amenable to multiple production systems, from small subsistence pond production to semi-intensive, commercial and high intensive systems (e.g. raceway, recirculation systems) - Current production status :
· Fiji Islands has commercial and subsistence production which is rapidly expanding· Other Pacific Islands have attempted to introduce tilapia for aquaculture but with limited success to date. This is probably due to a lack of staff trained in tilapia culture practices and technologies and limited resource availability
- Marketing :
· Domestic market potential in Fiji is high and expanding rapidly. There is potential for export markets. Trial shipments have been made to the USA and Australia from Fiji
· Tilapia is sold either whole or as fillets, live or frozen for the domestic market, frozen for the international market
· There is limited opportunity for value adding (perhaps smoking)
- Comparative advantages/disadvantages (risks) of producing the species in the Pacific:
Advantages
· Easy species to culture and very hardy
· Production systems are relatively cheap
· Short culture cycle and amenable to low input systems
· Acceptable as a food fish in most locations
· On large islands, it can be an important protein source in inland regions
· Improved strains are available
· Feed technology is advanced
· Women are commonly involved in production systems (e.g. Fiji)
· Primarily freshwater but there is potential for brackish water culture
· Colour variants are available (e.g. Red strains)
· Potential for integrated farming and polyculture
Advantages
· Easy species to culture and very hardy· Production systems are relatively cheap
· Short culture cycle and amenable to low input systems
· Acceptable as a food fish in most locations
· On large islands, it can be an important protein source in inland regions
· Improved strains are available
· Feed technology is advanced
· Women are commonly involved in production systems (e.g. Fiji)
· Primarily freshwater but there is potential for brackish water culture
· Colour variants are available (e.g. Red strains)
· Potential for integrated farming and polyculture
Disadvantages
· Limited cold tolerance (culture requires 20°C)· Poor stock management may produce stunting
· Potential for hybridisation among stocks, which can reduce productivity
· Likely escape into natural river systems, and impact on native fish and other species
· Limited cold tolerance (culture requires 20°C)
· Poor stock management may produce stunting
· Potential for hybridisation among stocks, which can reduce productivity
· Likely escape into natural river systems, and impact on native fish and other species