a devouring sea monster

active all animal aquarium background beautiful big biodiversity biology camouflage chromodoris colorful conservation coral cute devour devouring diver diving ecosystem environment evolution eyes fitted for habitat have hermaphroditic his holiday hunt invertebrate island journey life macro marine monster natural nature nudibranch nudibranchs ocean outdoor portrait prey reef relax scuba sea seascape selected slug slugs snail species specifically staring that them travel tropical underwater vacation water wildlife