2. Portunus pelagicus
lower crab, blue crab, blue swimmer
crab, blue manna crab or sand crab,
also known as alimasag in Tagalog
found in the intertidal estuaries of
the Indian and Pacific Oceans (Asian
coasts) and the Middle-Eastern
coast of the Mediterranean Sea
3. Portunus pelagicus
stays buried under sand or mud
most of the time, particularly
during the daytime and winter
comes out to feed during high
tide on various organisms such as
bivalves, fish, and macroalgae
4. Portunus pelagicus
Male Female
Color Bright blue
with white
spots
Duller
green/brown
Distinction Long
chelipeds
More
rounded
carapace
Underside Triangular Round
(bigger)