seaslug or nudibranch (ardeadoris egretta) in the filipino sea 16.10.2011

10 16 animal ardeadoris asia beautiful biology climate color creature deep discover dive domestic ecosystem egretta environment fascinating filipino fish ground habitat impressive individuals islands life magnificent majestic marine nature nudibranch observe ocean peaceful philippines region researcher scenery science sea seaslug sight slug snail species spotting stunning swimming tourism travel tropics underwater view wildlife wonderful