[1] It can be found in temperate intertidal marine communities from geographically widespread sites around the southern hemisphere (including South Africa and Australia).

[2] Parvulastra exigua has pentagonal body with no obvious protruding arms.

Colour is variegated, with bright patterns in orange, brown, green and white.

[2] Parvulastra exigua occurs in the intertidal zone and slightly deeper, and is well camouflaged.

It feeds on microscopic algae by everting stomach onto substrate.