Appearance
Flattened with seven to nine (usually eight), distinct, short arms (less than width of central disc), with acutely rounded webbed divisions between each arm. Aboral surface with minute scale-like apprearance, colour variable, including purple, green, white, yellow, orange, red, brown and grey.
Distribution
Temperate inshore areas from Currumbin, Qld south to Tasmania and west to Albany, WA. Depth range 0-3 m.References:
Some text fragments are auto parsed from Wikipedia.
https://australianmuseum.net.au/meridiastra-calcar-lamarck-1816