Unit 16Unit 16AquacultureAquaculture

Growing IndustryGrowing Industry

• One of the oldest industries in the world

• Food fish = largest market

• Oklahoma– Sport fishing– Fishery

Industry SegmentsIndustry Segments

• Warm-Water Fish

• Cool-Water Fish

• Crustaceans

• Mollusks

• Ornamental Fish

Warm-Water FishWarm-Water Fish

• Found in water 85⁰ or higher

• Catfish are most popular

• Female makes the nest and lays eggs

• Male fertilizes the roe

• Eggs are collected and hatched in tanks

Cool-Water FishCool-Water Fish

• Grow best in water below 65⁰F

• Salmon and trout are popular

• Female lays eggs

• Aquaculture technician fertilizes the eggs with semen collected from male fish

Crustaceans and Crustaceans and MollusksMollusks

• Crustaceans– Three body parts– Lobsters, crawfish, crab– Reproduce naturally

• Mollusks– Oysters, clams– Collected from ocean

bays and estuaries

Ornamental FishOrnamental Fish

• Tropical or aquarium fish

• Found naturally

• Highly labor intensive

• Pigments in food promote bright coloring

Efficient AnimalsEfficient Animals

• Fish gain one pound for every two pounds of food• Fast growing = more productive market• Most energy goes to meet production

• Ectothermic = depend on their environment for body temperature

Fish ProductionFish Production

• Types of Systems– Cage system– Pond culture– Continuous flow system– Recirculating system

• Production Parts– Hatching– Growing-out– Harvesting– Processing– Marketing