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Often has this obvious reddish "brain" visible through the body wall. In Sweden they are often very pale, but in the U.K they can be considerably darker.
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Los Escullos, Andalusia, Spain
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Los Escullos, Andalusia, Spain
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Ceuta, Ceuta Province, Spain
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Palma de Mallorca, Balearic Islands, Spain
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Drobak, Akershus Fylke, Norway
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Drobak, Akershus Fylke, Norway
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Drobak, Akershus Fylke, Norway
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Note that the pigment patch isnt always this obvious - it varies a lot. Circumglobal species - or just a common look?
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Ceuta, Ceuta Province, Spain
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Pedras Negras, Galicia, Spain
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Insuela, Galicia, Spain
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Ceuta, Ceuta, Espaa
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App 3 cm long. Characteristic furrows and ridge on head.
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Benzu, Ceuta Province, Spain
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Ceuta, Ceuta Province, Spain
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Santa Pola, Valencia, Spain
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Juvenile
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Ribeira, Galicia, Spain
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Juvenile
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Juvenile
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Characteristic in movement - curls in itself. Head up to the left. Often associated w Mytilus in Scandinavia. Specimen 6 cm long.
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Touro, Galicia, Spain