Complex sentence: Juvenile Alaskan king crabs "(Paralithodes camtschaticus)" have been observed living commensally on the surface of the mottled star, sheltering between its arms, whereas adult king crabs have been reported as attacking and eating the starfish.
Split into simpler sentences: Juvenile Alaskan king crabs "(Paralithodes camtschaticus)" have been observed living commensally on the surface of the mottled star, sheltering between its arms. Adult king crabs have been reported as attacking and eating the starfish.