Fred Bavendam / Spanish Dancer (Hexabranchus sanguineus) nudibranch egg ribbon, Kimbe Bay, Papua New Guinea

Fred Bavendam / Spanish Dancer (Hexabranchus sanguineus) nudibranch pair mating, Hawaii

Juergen Freund / Spanish dancer nudibranch {Hexabranchus sanguineus} egg ribbon, Indo-pacific

Sue Daly / Spanish dancer {Hexabranchus sanguineus}, Red Sea

Constantinos Petrinos / Spanish dancer {Hexabranchus sanguineus} on sandy seabed, Sulawesi, Indonesia

Juergen Freund / Spanish dancer {Hexabranchus sanguineus}swimming, Indo-Pacific

Juergen Freund / Spanish dancer nudibranch (Hexabranchus sanguineus) Philippines

Chris Newbert / Shrimp (Periclimenes sp) living among the gills of the Spanish Dancer (Hexabranchus sanguineus) nudibranch, 50 feet deep, Papua New Guinea

Chris Newbert / Shrimp (Periclimenes sp) living among the gills of the Spanish Dancer (Hexabranchus sanguineus) nudibranch, 50 feet deep, Papua New Guinea

Juergen Freund / Egg ribbon of Spanish dancer {Hexabranchus sanguineus} Indo-Pacific

Juergen Freund / Spanish Dancer producing egg ribbon {Hexabranchus sanguineus} Indo-Pacific

Juergen Freund / Spanish dancer {Hexabranchus sanguineus} on a divers hand, Indo-Pacific