10 true crabs to spot in South Australia | 水產百科網

2021年3月16日—1.Black-fingeredcrab·2.Purplemottledshorecrab·3.Roughrockcrab·4.Sandcrab·5.Smoothshorecrab·6.Littleshorecrab·7.Beardedcrab.

This crab not only sounds rock’n’roll, but looks rock’n’roll.

At about 8 cm wide, they are coloured purple or red-brown at the front, and grey or tan at the back. They have a straight, red rim along the front edge of their shell and between their eyes.

This crab has strong front and black claws, with tooth-like edges. During breeding time, a male rough rock crab will carry the female around for a few days until she moults her hard shell.

The southern Australian sand crab can easily be identified by the two dark red or purple-coloured spots near its tail at the end of its shell. They can grow to more than 15 cm wide.

Sand crabs can be found along the beaches of the Gulf St Vincent and the Spencer Gulf in SA.

This is another common species in SA waters and is closely related to th...