Alex Mustard / Nudibranchs (Doto greenamyeri) newly described species on feather hydroids. Seraya Bay, north coast of Bali, Indonesia. Java Sea.

Alex Mustard,Alex Mustard / A nudibranch (Dendronotus frondosus) photographed in the field aquarium, Gulen, Norway. North East Atlantic.

Fred Bavendam / Giant Nudibranch (Dendronotus iris) attacking a Tube-dwelling Anemone (Pachycerianthus fimbriatus), Vancouver Island, British Columbia, Canada. Sequence 4 of 5

Franco Banfi / Robust frond-aeolis (Dendronotus robustus) nudibranch on Kelp. Tasiilaq, East Greenland. April.

Olga Kamenskaya / Frond eolis (Dendronotus frondosus) Novaya Zemlya, Russian Arctic, July

Sue Daly / Nudibranch (Dendronotus frondosus) Isle of Man, July.

Franco Banfi / Giant dendronotid nudibranch (Dendronotus iris) Vancouver Island, British Columbia, Canada, Pacific Ocean

Franco Banfi / Giant nudibranch (Dendronotus iris) Vancouver Island, British Columbia, Canada, Pacific Ocean

Alex Mustard / Nudibranch, currently an undescribed species (Doto sp.), on feather hydroids. Seraya Bay, Bali, Indonesia. Java Sea.

Richard Robinson / Skips Yellow Doto (Doto sp) nudibranch in Dusky Sound, Fiordland National Park, New Zealand. NB small reproduction only.

Fred Bavendam / Giant Nudibranch (Dendronotus iris) attacking a Tube-dwelling Anemone (Pachycerianthus fimbriatus), Vancouver Island, British Columbia, Canada

Norbert Wu / Multicolor Frond-aeolis (Dendronotus diversicolor) nudibranch, foraging on hydroids, Alaska