Spanish Dancer Nudibranch, Hexabranchus sanguineus, Raja Ampat, West Papua, Indonesia

Spanish Dancer Nudibranch, Hexabranchus sanguineus, Raja Ampat, West Papua, Indonesia

Emperor shrimp (Periclimenes imperato) next to gills of spanish dancer (Hexabranchus sanguineus) at night, Puerto Galera, Mindoro, Philippines, Southeast Asia, Asia

Eggmass of Spanish dancer (Hexabranchus sanguineus), Pupukea, Oahu, Hawaii, United States of America, Pacific

Spanish Dancer (Hexabranchus sanguineus) Spectacular and largest of the nudibranchs (naked gills) and are reported to reach up to 50 cms in length. Nocturnal. Red Sea.

Spanish Dancer (Hexabranchus sanguineus) Spectacular and largest of the nudibranchs (naked gills) and are reported to reach up to 50 cms in length. Nocturnal. Red Sea.

Spanish Dancer (Hexabranchus sanguineus). Spectacular and largest of the nudibranchs (naked gills) and are reported to reach up to 50 cms in length. Nocturnal. Red Sea.

Emperor shrimp, Periclimenes imperator, next to gills of spanish dancer, Hexabranchus sanguineus, night, Puerto Galera, Mindoro, Philippines.

An Imperial commensal shrimp (Periclimenes imperator), photographed at night on the Spanish dancer nudibranch (Hexabranchus sanguineus), that it calls home, Philippines