Crustaceans form a very large and diversified group of arthropods, which includes known animals as crabs, lobsters, crayfish, shrimp, krill and barnacles ranging in size from 0.1 mm to the Japanese spider crab with a leg span of up to 3.8 m and a mass of 20kg (Rota-Stabelli et al., 2010). In most crustacea, development is accompanied by little or more metamorphosis and the various stages of development are known as larvae. They are nauplius, metanauplius, cypris, kentrogen, protozoea, zoea, metazoea, calyptosis, erichthus, alima, megalopa, glaucothoea, mysis and phyllosoma (Addis et al., 2007). Each of the stages is separated by a moult, in which the hard exoskeleton is shed to allow the animal to grow. Most larvae of crustaceans ARTICLE INFO ABSTRACT Article History
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