Abstract
The spider crab Libinia ferreirae (Majoidea) keeps interspecific relationships that vary throughout ontogeny, megalopae and juvenile can have associated with jellyfish Scyphozoa and when adult can "host" innumerable epibionts as sea anemones. However, it is unknown how L. ferreirae interacts ecologically to be in ecosystem and how it is faced with the exploitation of trawling as bycatch. …