Animal Species:Blue Swimmer Crab

The Blue Swimmer Crab is named for its distinctive colour.

Blue Swimmer Crab

Dr Isobel Bennett © Australian Museum

Standard Common Name

Blue Swimmer Crab

Identification

The Blue Swimmer Crab is easily recognised by its distinctive shape and colour, and its large front pincers.

Female Blue Swimmer Crabs are known as 'jennies' and are less colourful than the males.

Size range

19 cm

Distribution

The Blue Swimmer Crab is found from Northern Queensland to Eden in New South Wales; Western Australia and the South Australian gulfs. Widespread in the Indo-Pacific Region.

Habitat

Generally, the Blue Swimmer Crab occurs in the deeper waters of intertidal estuaries but occasionally it enters shallower waters.

Seasonality

The Blue Swimmer Crab is a popular food in Australia and is targeted and caught in large numbers by professional and recreational fishers. These crabs enter estuaries as juveniles and grow quite quickly, maturing after one year.

Classification

Species:
pelagicus
Genus:
Portunus
Family:
Portunidae
Infraorder:
Brachyura
Order:
Decapoda
Class:
Malacostraca
Subphylum:
Crustacea
Phylum:
Arthopoda
Kingdom:
Animalia

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Tags crustaceans, crabs, edible, seafood, invertebrates, arthropods, wildlife of sydney, identification,