''Euastacus sulcatus'', also known as the Lamington crayfish, is a freshwater crayfish, or "yabby", native to Australia. It is commonly bright blue in colour and roams the

forest floor The forest floor, also called detritus, duff and the O horizon, is one of the most distinctive features of a forest ecosystem. It mainly consists of shed vegetative parts, such as leaves, branches, bark, and stems, existing in various stages ...

when conditions are damp. Red and white colour variants also exist.

Distribution

Restricted to streams bordered by rainforest and sometimes wet eucalyptus forest at more than 300 m altitude. Inhabits mountains in a crescent from Mount Tamborine to Lamington Plateau, west along Macpherson Range and north via Cunningham's Gap into the Mistake Mountains, Queensland.

Habitat

The species occurs in streams at altitudes above , in rainforest and

sclerophyll Sclerophyll is a type of vegetation that is adapted to long periods of dryness and heat. The plants feature hard leaves, short internodes (the distance between leaves along the stem) and leaf orientation which is parallel or oblique to direct ...

forest.

References

Freshwater crustaceans of Australia Crustaceans described in 1951 sulcatus {{Crayfish-stub