Melibe sp

nudibranch at night nudibranch feeding tethydidae lembeh melibe nudibranch lembeh strait nudibranch rhinophores sea slug melibe sp01 feeding at night coral triangle bottom feeding sea underwater ocean at night north sulawesi melibe critter gills spot light feeding marine mouth ocean uhd head on indonesia south east asia unusual 4k active night time clear transparent night dark moving turn volcanic black sand rare 25fps behaviour weird tropical see through