a kind of round crabs ( Carpilius maculatus ). You can see it at night dive. (below)
stillspanish dancer ( big nudibranch and can swim) (Hexabranchidae sanguineus)
Also seen at night (below)
stillPink squat lobster ( Lauriea siagiani)
always hiding himself in a sponge (Xestospongia testudinaria )
still