Blue Swimmer Crab

Portunus pelagicus
Blue Swimmer Crab - Marinewise © 2026 MarineWise

Quick Facts

Scientific namePortunus pelagicus
Other namesFlower Crab, Blue Crab, Blue Manna Crab, Sand Crab, Asian Blue Swimming Crab
SizeUp to 20 cm (8 in) Carapace
WeightOver 1 kg (2.2 lb)
FamilyCrustaceans / Portunidae

Distribution

Habitat & AU DistributionShallow coastal waters, estuaries, mangroves & reef areas amongst sandy areas & seagrass beds
Depth Range5 - 50 m (16 - 164 ft)
Blue Swimmer Crab Distribution