Doug Perrine / Dorid nudibranch {Nembrotha kubaryana} feeding on tunicates, Borneo

Magnus Lundgren / Wild Wonders of China / Dorid nudibranch (Hypselodoris maculosa) Kenting National Park, Hengchun Peninsula, Taiwan

Magnus Lundgren / Wild Wonders of China / Dorid nudibranch (Chromodoris strigata) feedings on sponges. Kenting National Park, Hengchun Peninsula, Taiwan

Magnus Lundgren / Wild Wonders of China / Dorid nudibranch (Glossodoris cincta) Kenting National Park, Hengchun Peninsula, Taiwan

Gary Bell/ Oceanwide / Dorid Nudibranch (Phyllidia varicosa), Anilao, Philippines

David Fleetham / Imperial commensal shrimp (Periclimenes imperator / Zenopontonia rex) on Spanish dancer nudibranch (Hexabranchus sanguineus) at night. Philippines.

Magnus Lundgren / Wild Wonders of China / Three Dorid nudibranchs (Chromodoris orientalis) gathering to mate, Po Bin Chau, Sai Kung archipelago, Hong Kong, China.

Magnus Lundgren / Wild Wonders of China / Dorid nudibranch (Hypselodoris festiva) Sai Kung, Hong Kong, China.

Franco Banfi / Dorid nudibranch (Phyllidia ocellata) on discarded plastic bottle, Pulau Dofior, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Georgette Douwma / Fried eggs Hoplodoris nudibranch (Carminodoris estrelyado), Rinca, Indonesia. December.

Constantinos Petrinos / Dorid nudibranch (Rostanga sp) laying its egg ribbon, camouflaged on a pink sponge. Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Dorid nudibranch (Rostanga sp) laying its egg ribbon, camouflaged on a pink sponge. Lembeh Strait, North Sulawesi, Indonesia.