Alex Mustard / Nudibranch (Flabellina lineata) in aquarium, taken in the field in Gulen, Norway. North East Atlantic Ocean. Collected for scientific research.
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Alex Mustard,Alex Mustard / A portrait of a nudibranch ( Limacia clavigera) searching for food on algae. Gulen, Norway. North East Atlantic Ocean.
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Wild Wonders of Europe / Lundgren / Nudibranchs (Onchidoris muricata) on Kelp leaf, Moere coastline, Norway, February 2009
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Juergen Freund / White lined / Alabaster nudibranch or Falling archangel {Dirona albolineata} Canada, Pacific
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Nick Upton / Celtic sea slug (Onchidella celtica) from Atlantic Ocean. Cornwall, England, UK. September.
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Tony Wu / Nudibranch (Cadlinella ornatissima), yellow with pink tipped tubercles and white rhinophores. Japan. March.
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Tony Wu / Blue sea slug (Glaucus atlanticus) that was washed ashore with a mass, multi-day stranding of thousands of Indo-Pacific Portuguese man-of-war (Physalia utriculus). This species predates Portuguese man...
Georgette Douwma / RF - Portrait of Heron ardeadoris (Ardeadoris egretta). Raja Ampat, Indonesia. (This image may be licensed either as rights managed or royalty free.)
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Richard Robinson / A dorid nudibranch (Hoplodoris nodulosa) in Dusky Sound, Fiordland National Park, New Zealand.
Alex Mustard / Aeolid nudibranch (Flabellina pedata) feeding on its prey of hydroids. This species cannot only eat the stinging hydroids without getting stung, but the stinging nematocysts of the hydoid pass through...