• Scientific name: Scylla serrata
• Mud Crabs are largest of the portunid crabs with carapace width of 22 cm weighing about 2.4 kg.
• Habitat: Estuaries and in burrows of mangrove areas.
• Naturally abundant in brackishwaters of Indian coasts.
• Very active at nigt, can migrate up to 50 km offshore and can swim down to 300 m depth in water.
• Well relished for its taste, texture and nutritive value hence both the species are captured and cultured in India.
• Stocking density : 5,000 -30,000 / ha for grow out and1,000 - 4,000/ha for Fattenning.
• Yield : 1.0 - 1.5 t/ha/year in grow-out, 60 - 100 g weight gain / crab / month in fattenning.

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