nudibranches - hypseldoris apolegma. underwater

animal animals apolegma aqua aquatic asia beautiful beauty borneo close color colorful contrast coral dive diving environment fauna hypseldoris hypselodoris invertebrate life macro malaysia marine nature nembrotha nudibranch nudibranches ocean pair purple red reef sabah saltwater scuba seam seascape seaslug seasnail set slug snail sponge submarine together tropical underwater water white wildlife yellow