The green-banded broodsac is a parasite that inhabits a snails eyestalks, takes over its motor functions and places it in the open to attract the attention of a bird and be eaten. Chelidonura varians, a small species of sea slug. It has two “tails” and characteristic of the genus the left one is always longer. Above the clouds
Chelidonura varians, a small species of sea slug. It has two “tails” and characteristic of the genus the left one is always longer.