The largest prawn is called Penaeus monodon. Penaeus monodon belongs to Penaeidae and Penaeus. Penaeus monodon is the largest individual in the genus Penaeus, which can reach 350 mm and weigh 500 g. The average body length of an adult is generally 300-350 mm, and the average weight is 350-400 g..

Adult Penaeus monodon likes to inhabit the muddy or muddy seabed, which is distributed in the shallow sea area with a water depth of 60 meters, with the highest catch in the sea area with a water depth of 20-40 meters. Penaeus monodon has a wide range of feeding habits, not only eating animal food, but also eating plant food. It belongs to omnivorous shrimp species, and the animal species include bivalve, unicellular, long tail, short tail and rotifer. Plant food includes diatoms with round sieve. Distributed in southern and eastern Africa, including India, Pakistan, Sri Lanka, Malaysia, Thailand, northern Australia, Japan and China.