Everything about Portunus Trituberculatus totally explained
Portunus trituberculatus, the
gazami crab,
Japanese blue crab or
horse crab, is the most widely
fished species of
crab in the world, with over 300,000
tonnes being caught annually, 98% of it off the coast of
China .
P. trituberculatus is found from
Hokkaidō to
South India, throughout the
Malay Archipelago and as far south as
Australia. In the
Malay language, it's known as
ketam bunga or "flower crab". It lives on shallow sandy or muddy bottoms, less than 50
m deep, where it feeds on
seaweeds and
predates upon small
fish,
worms and
bivalves.
The
carapace may reach 15
cm (6
inches) wide, and 7 cm (2¾ in) from front to back.
P. trituberculatus may be distinguished from the closely-related (and also widely-fished)
P. pelagicus by the number of broad teeth on the front of the carapace (3 in
P. trituberculatus, 4 in
P. pelagicus) and on the inner margin of the
merus (4 in
P. trituberculatus, 3 in
P. pelagicus)
. Other related species include
P. sanguinolentus and the much smaller
P. haani and
P. nipponensis.
Further Information
Get more info on 'Portunus Trituberculatus'.
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