Title photo by Doug Anderson

More photos of Emperor shrimp (Periclimenes imperator) riding on various nudibranch hosts…

Solo riding…

Above photo of Ceratosoma trilobatum, by Jack

…or with a pal…

Above photo of Ceratosoma trilobatum, by Jack

…Tandem…

Above photo by Stefano Scortegagna

Above photo of Ceratosoma gracillimum with eggs by Pauline Walsh Jacobson

Above photo of Ceratosoma tenue by Eric Cheng

Above photo of Nembrotha lineolata, by Colin Salmon

Above photo by Doug Anderson

Above photo by Michel Duchayne

Above photo of Dendrodoris tuberculosa, by Brian Mayes

Above photo of ceratosoma nudibranch, by KIYOSHI OKADA

Above photo of Ceratosoma tenue, by Gomen S

Above photo by Colin Robson

… Hail The Emperor!

Above photo of Hypselodoris infucata, by Anilao~Critters