Lined nembrotha (Nembrotha lineolata), Atlantis house reef, Dumaguete, Negros Island, Philippines, Southeast Asia, Asia

invertebrates nudibranch sea slug lined nembrotha nembrotha lineolata atlantis house reef dumaguete negros island philippines soft bodied camouflage coral reef day outdoors nature natural world marine life close up close ups nembrotha nudibranches sea slugs coral reefs southeast asia asia horizontal