The use of worms, such as insect larvae, terrestrial earthworms and aquatic oligochaetes, in fish and shrimp rearing has generated considerable interest. However, fishmeal is a finite fishery resource, and the search for novel and renewable sources of protein is crucial for the continued expansion of the aquaculture industry. Much of the protein in commercial aquafeeds is currently being supplied by fishmeal. Protein is the most expensive component in aquafeeds, and it is used in relatively large quantities because of the high protein requirement of most cultured aquatic species. There is an ongoing search for alternative protein sources for use in aquaculture feeds. 1: Mealworm ( Tenebrio molitor) larvae are highly nutritious and palatable to fish. Insect larvae, earthworms and polychaetes gaining interest Fig.
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