Sea pen shrimp

Scientific name : Dasycaris symbiotes

Tiny commensal shrimp, short, spiny, often with lifted tail. Variable colour to match the host (a sea pen). 1,5 cm.
The spiny appearence distinguish Dasycaris from other commensal shrimps. Distinguished from D. ceratops, another sea pen commensal, for the head and rostrum teeth: 6 in D. symbiotes, 5 in D. ceratops that have also a compressed carapace forming a dorsal crest.

Associated organisms
Always associated with sea pens of the genus Pteroeides.