Franco Banfi / Orange peel nudibranch (Tochuina tetraquetra), Alaska, United States, North Pacific Ocean.
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Pascal Kobeh / Orange peel nudibranch (Tochuina tetraquetra), Alaska, USA, Gulf of Alaska. Pacific ocean.
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Alex Mustard / Detail of the sensory rhinophore of an Orange peel nudibranch (Tochuina tetraquetra). Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.
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Fred Bavendam / Orange Peel Nudibranch (Tochuina tetraquetra) eating an Orange Sea Pen (Ptilosarcus gurneyi), British Columbia, Canada
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Alex Mustard / Orange peel nudibranch (Tochuina tetraquetra) portrait, Browning Pass, Vancouver Island, British Columbia, Canada, Queen Charlotte Strait, Pacific Ocean.
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Shane Gross / RF - Orange peel nudibranch (Tochuina tetraquetra) resting on a rock, Browning Pass, British Columbia, Canada, Pacific Ocean. (This image may be licensed either as rights managed or royalty free.)
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Alex Mustard / Orange peel nudibranch (Tochuina tetraquetra) feeding on Red soft coral (Eunephthya rubiformis) with Short plumose anemones (Metridium senile). There is a second nudibranch behind the outcrop. Brownin...
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David Hall / Orange peel nudibranchs (Tochuina tetraquetra) feeding on Red soft coral (Gersemia rubiformis) which have retracted their polyps in defense, North Hanson Island, Johnstone Strait, British Columbia, Ca...