Dendrobranchiata are commercially fished, and used for cooking. The difference between prawns and shrimp is usually that prawn are larger than shrimp.Prawns are crustaceans similar in appearance to shrimps, but they can be distinguished by the gill structure which is branching in prawns and not in shrimp. The prawn is also related to the crab and the lobster. Prawns are found in calmer waters were the prawns can nest in the water plants to lay their eggs. Like the shrimp, the prawn does tend to prefer the warmer waters in the tropics but some species of prawn are found in the Northern Hemisphere.
The prawn feeds by filtering nutritious particles out of the water flowing around the prawn, and the prawn is therefore often found on rocks or close to the sea floor.
Prawns are a common source of food for humans around the world, particularly in areas where the prawn exists naturally such as south east Asia.
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