Aquaculture : Cultivation procurement of aquatic animals and plants for human food and benefit. It includes the natural resources of water like fishes, prawns, crabs,oysters, Snails, dolphins, whales, algae etc.
Fishery: Cultivation and procurement of aquatic animals for human benefit. It includes aquatic animals like fishes, prawns, crabs, oysters,snail, dolphins, whales etc.
Pisciculture : Cultivation and procurement of pisces (ichthyos) for human benefit. It includes fishes of fresh water forms (Ruhu, Catla etc),esturine forms (Bhetki, parse etc),and marine forms froms (Pomfret, Mackrel etc.).