Stock Photo - Nudibranch, a sea slug mollusc species of Cerberilla live in sandy substrates where they burrow beneath the surface and so are seldom seen This animal was visible from over a metre, as fluorescents pigments in its body emitted light when targetted with a blue light Probably Cerberilla annulata Tondoba Bay, Blueheaven holidays,Marsa Alam,Red Sea,Egypt

Stock Photo: Nudibranch, a sea slug mollusc species of Cerberilla live in sandy substrates where they burrow beneath the surface and so are seldom seen  This animal was.