Ceratosoma nudibranch, Anilao, Philippines.

anilao animal animal behavior animal head animal markings animal themes animals in the wild aquatic ceratosoma trilobatum chromodorididae close up color image day dorid nudibranch doridoidea extreme close up gastropod high angle view invertebrate macro marine biology mating mollusk no people nudibranch opisthobranch outdoors part of philippines photography rhinophore sea life sea slugs southeast asia species two animals undersea underwater vertical wildlife zoology