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Juvenile fish are marketed as food. Whitebait is a marketing term for the fry of fish, typically between 25 and 50 millimetres long. Such juvenile fish often travel together in schools along the coast, and move into estuaries and sometimes up rivers where they can be easily caught with fine meshed fishing nets.
The juvenile fish are paler and can have an almost whitish background colour. [7] The maximum recorded total length is 50 centimetres (20 in)—although they are more commonly around 19.1 centimetres (7.5 in)—and the maximum published weight is 1.9 kilograms (4.2 lb). [3]
A fish hatchery is a place for artificial breeding, hatching, and rearing through the early life stages of animals—finfish and shellfish in particular. [1] Hatcheries produce larval and juvenile fish , shellfish , and crustaceans , primarily to support the aquaculture industry where they are transferred to on-growing systems, such as fish ...
Aquaculture is the farming of fish, shellfish or aquatic plants in either fresh or saltwater, or both. [1] The farmed animals or plants are cared for under a controlled environment to ensure optimum growth, success and profit.
Whereas FishBase is a database about adult finfish, LarvalBase is a database about the juvenile stages of fish. Juvenile fish often feed differently and occupy different habitats than the adults do. LarvalBase complements FishBase by providing information about these early stages of life.
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The larvae begin to increase in size and develop into a juvenile fish once external feeding begins. In those fish with a leptocephalus stage; however, after hatching and obtaining nutrients from the yolk, the larvae do not begin external feeding. This is peculiar because the larvae still continue to grow in size.
Lutjanus sebae is a predatory fish which feeds on different fish, benthic crustaceans and cephalopods. It aggregates into schools with similar sized individuals or they will be solitary. This is a slow growing species, off the Seychelles, the mean age of first sexual maturity for both males and females was estimated at 9 year old.