Blue Swimmer Crab Facts

Greek and translates to beautiful swimmer. The blue crab is so named because of its sapphire tinted claws.

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And blue crabs are prized for their sweet delicate flavor and tender meat.

Blue swimmer crab facts. The males are bright blue in color with white spots and with characteristically long chelipeds while the females have a duller green brown with a more rounded carapace. Blue swimmer crabs are large crabs native to the indian and pacific ocean and the. Interesting facts on blue crabs habitat.

In queensland they were officially known as sand crabs until recently when officials switched names to the blue swimmer crab as used in nsw and wa. Indeed their back legs which are paddle shaped make them excellent swimmers. Unlike males the abdomen of a female crab is broad and rounded.

The female blue crab is easy to distinguish from the male as she has red tipped claws. Males also have longer claws in proportion to their carapace than females. Male blue swimmer crabs sometimes called blueys are bigger and more colourful than the females with a dark blue carapace pale belly and rich blue on their legs and claws.

The survivors reach shallow nursery areas by late summer. Cannibalism is common of young smaller crabs by larger crabs and may help regulate population surplus. Blue crabs are found in brackish coastal lagoons and estuaries from nova scotia to the gulf of mexico and as.

These delicacies are commonly found throughout australia s estuaries and inshore regions in all mainland states. Blue swimmer crab blue swimmer crabs are also known as blue manna crab flower crab blue crab sand crab and blueys. The blue crab s scientific name is callinectes sapidus which translates to savory beautiful swimmer.

Blue swimmer crabs are arguably the tastiest crustaceans encountered by aussie crabbers. The scientific name of the blue swimmer crab is portunus armatus originally portunus pelagicus. However the easiest way to check if a blue swimmer crab.

In female crabs the tips are purple while remaining part is orange. Blue swimmer crabs begin life as tiny larvae called zoea which grow and change shape over a four to six week period during early summer. The scientific name for the blue crab is callinectes.

They are prey for fish and the death rate is high. They drift in bays or along the coast up to 80 kilometres out to sea. Blue crab has four frontal teeth and its carapace is brown colored.

Females crabs are a mottled brown. Its shell or carapace is actually a mottled brownish color and mature females have red highlights on the tips of their pincers. Likewise the tips of the claws in male crabs are red colored while the rest of the claw is blue.

The carapace can be up to 20 centimetres 7 9 in wide. Crabs can only swim and walk from side to side instead of forward and backward.

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