Neon Sea Slug, Thecacera picta, Triton Bay, West Papua, Indonesia

neon sea slug neon slug neon nudibranch dorid slug dorid nudibranch marine invertebrate mollusks mollusc mollusca snails nudibranch nudibranchs nudibranchia snail sea snail seasnail sea slug slug doridacea ophistobranchia polyceridae closeup close up close up birds head arafura sea papua irian jaya western new guinea asia nature sea ocean sealife marine wildlife marine fauna underwater underwaterphoto underwaterpicture underwaterphotography underwaterworld neon sea slug thecacera picta triton bay west papua indonesia horizontal n/a n/a rm