cymothoidae

"Speckled Sea Louse" (Eurydice pulchra

…a species of Cirolanid isopod crustacean which is found in the northeast Atlantic Ocean, ranging from Norway to the Atlantic coast of Morocco, but not the Mediterranean Sea. Speckled sea lice inhabit the intertidal zone on sandy shores and are scavengers/detritivores.  

Classification

Animalia-Arthropoda-Crustacea-Malacostraca-Isopoda-Cymothoida-Cirolanidae-Eurydice-E. pulchra

Image: Hans Hillewaert