Fourline Nudibranch

Polycera quadrilineata

• Group: Nudibranch

A small white sea slug marked with four fine yellow lines, the fourline nudibranch grazes colonies of branching bryozoans on the undersides of intertidal rocks. The feathery gills on its back and the two horns on its head pull back when it is disturbed.

Taxonomy: Animalia › Mollusca › Gastropoda › Doridida › Polyceridae › Polycera

Species data via the World Register of Marine Species (WoRMS), AphiaID 140838.