Alex Mustard / Nudibranch (Chromodoris reticulata) Batanta Island, Raja Ampat, West Papua, Indonesia. It was discovered in 2013 that this species has a 'disposable penis', which is shed after mating and regrows in 2...
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Tim Laman / Side gilled slug (Berthella martensi) on coral reef, Malapascua Island, Visayan Sea, Philippines
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Tim Laman / Pair of Nudibranchs (Nembrotha kubaryana) on coral reef, Malapascua Island, Visayan Sea, Philippines
