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  • Suction cups of a big Octopus sp. Aquariumphoto.
    7178-D.jpg
  • Unidentified terrestrial gastropod (snail) from the rainforest of La Selva, Ecuador.
    7216-D.jpg
  • Northern red chiton (Tonicella rubra) from 10 meters depht, Hidra south-western Norway.
    7336.jpg
  • Winged oyster (Pteria sp.) from Kuredu, the Maldives.  A species of Lopha sits on the oyster's shell
    7327.jpg
  • Tropical blue mussels (Mytilus smaragdinus). Aquariumphoto.
    7331.jpg
  • Two coral scallops (Pedum spondyloidum) deeply buried in a coral at Kuredu, the Maldives.
    7330.jpg
  • Worm shell (the gastropod Dendropoma maxima) from the Great Barrier Reef, Australia.
    7333.jpg
  • Amber pen shell (Pinna carnea) from Key Biscaine, Florida, USA.
    7335.jpg
  • White-lipped snail (Cepaea hortensis) from Hidra, south-western Norway in July.
    7219-D.jpg
  • Unidentified terrestrial gastropod (snail) from the rainforest of La Selva, Ecuador.
    7215-D.jpg
  • Terrestrial gastropod mollusc (Acanthina sp., A. smithii?) from Zimanga, South Agfrica. About 6 cm long.
    7230-D.jpg
  • White, terrestrial slug (Arion sp.?) from Lake Manyara, Tanzania.
    7191-D.jpg
  • Gardiner's headshield slug (Tubulophilinopsis gardineri) from shallow waters in the Maldives.
    7326.jpg
  • Giant clam (Tridacna gigas) from Green Island, Great Barrier Reef, Australia.
    7328.jpg
  • Cockscomb oyster (Lopha cristagalli) from Kuredu, the Maldives. The valve is covered with red sponge.
    7329.jpg
  • Polyplacophoran mollusc (Stenoplax sp.) from Puerto Rico, the caribbean.
    7334.jpg
  • Suction cups of a big Octopus sp. Aquariumphoto.
    7176-D.jpg
  • White-lipped snail (Cepaea hortensis) from Hidra, south-western Norway in July.
    7220-D.jpg
  • Blue-rayed limpet (Patella pellucida) from Hidra, south-western Norway.
    7218-D.jpg
  • Eyes along the outer rim of the mantel of Lion's Paw (Lyropecten nodosus).
    7332.jpg
  • Spanish slug (Arion vulgaris) mate and cross breed with a black slug (Arion ater). The slugs have intertwined, everted penises, carrying out external sperm exchange between two different species.
    7223-D.jpg
  • Great pond snails (Lymnaea stagnails) from Vejlerne, northern Denmark.
    7222-D.jpg
  • A huge Octopus is crawling on the front glass of a display tank at Waikiki Aquarium, Hawaii.
    7167.jpg
  • Great pond snail (Lymnaea stagnails) from Vejlerne, northern Denmark.
    7217-D.jpg
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Alf J. Nilsen Natural History images

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