A sea star shimp (Periclimenes soror), swims through a forest of spines on the back of a crown-of-thorns starfish, Micronesia, Pacific

Sea star shimp (Periclimenes soror), on a crown-of-thorns starfish (Acanthaster planci), Yap, Micronesia, Pacific

Commensal Shrimp associated with Starfish, Periclimenes soror, Ambon, Moluccas, Indonesia

A tiny shrimp (Periclimenes soror) lives on a pin-cushion starfish in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.

Hawaii, Commensal Shrimp (periclemenes soror) and Reticulated Brittle Star (ophiocoma brevipes) on Cushion Starfish (culcita novaeguineae).

Commensal shrimp (Periclimenes soror), on a seastar, La Paz, Baja California, Mexico, Sea of Cortez, North America