The divemasters pointed out some highlights like: Broadclub Cuttlefish, Marbled Shrim, Red - dotted Guard Crab and Hydroid Crab. (aggressor.com)
The nudibranchs devour the individual hydroid polyps and, new tests show, prefer them well fed. (sciencenews.org)
Researchers knew that the small Mediterranean nudibranch Cratena peregrina, with a colorful mane of streamers rippling off its body, climbs and preys on pipe cleaner skinny, branched colonies of Eudendrium racemosum hydroids, which are distant relatives of corals. (sciencenews.org)