About Tylodina perversa (Gmelin, 1791)
Tylodina perversa, commonly known as the "yellow tylodina" or "yellow umbrella slug", is a species of sea snail classified as a false limpet. It is a marine opisthobranch gastropod mollusk that belongs to the family Tylodinidae. This opisthobranch has a limpet-like shell that is primarily made of protein, rather than calcium carbonate. This false limpet species is distributed in the northeastern Atlantic, which includes the British Isles, and also in the Mediterranean Sea. ecologically, T. perversa feeds specifically on the sponge species Aplysina aerophoba.
