Question

what is larva of sacculina

Answer 1

The female Sacculina larvafinds a crab and walks on it until it finds a joint. It then molts into a form called a kentrogon, which injects its soft body into the crab while its shell falls off. ... Parasitic Sacculinadestroys crab's gonads to render the crab permanently infertile.

Answer 2

Sacculina live in marine environment. During their larval sttage they are Pelagic.