Monoculture

• Only one fish species is reared in a water body.
• Typical fish are trout, tilapia, catfishes, carp, etc.
• Complete feeding is necessary to ensure production.
• Only Controlled, high-input systems will give better results.

Advantages

• Easy to feed.
• Permits great control over the age, size, and sex of the fish.
• Easy to operate.
• Selective harvest of marketable fish can be employed.
• Suitable for farmers having limited land resources.

Disadvantages

• The naturall productivity of the pond is not fully utilized.
• Available space in the water column is not utilized.
• More chances of epizootic disease and parasites.
• More risk of water quality problems like dissolved oxygen depletion.