David Fleetham / Imperial commensal shrimp (Periclimenes imperator / Zenopontonia rex) on Spanish dancer nudibranch (Hexabranchus sanguineus) at night. Philippines.
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Fred Bavendam / Spanish Dancer (Hexabranchus sanguineus) nudibranch egg ribbon, Kimbe Bay, Papua New Guinea
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Fred Bavendam / Spanish Dancer (Hexabranchus sanguineus) nudibranch pair mating, Hawaii
00972601
Chris Newbert / Shrimp (Periclimenes sp) living among the gills of the Spanish Dancer (Hexabranchus sanguineus) nudibranch, 50 feet deep, Papua New Guinea
00972600
Chris Newbert / Shrimp (Periclimenes sp) living among the gills of the Spanish Dancer (Hexabranchus sanguineus) nudibranch, 50 feet deep, Papua New Guinea
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Norbert Wu / Spanish Dancer (Hexabranchus sanguineus) nudibranch, Red Sea
00971055
Birgitte Wilms / Emperor Shrimp (Periclimenes imperator / Zenopontonia rex) on Spanish Dancer (Hexabranchus sanguineus) nudibranch, Red Sea, Egypt