Smooth Brittle Star

Smooth Brittle Star

Ophioplocus esmarki

Physical Description

The Smooth Brittle Star features a round disk that can measure up to 22 mm, with arms extending up to 60 mm. Its coloration typically ranges from gray to brown, with very short lateral arm spines.


This species is common in its habitat and is one of the few ophiuroids visible during daylight hours.

Geographical Range

Found along the eastern Pacific coast, the Smooth Brittle Star inhabits a variety of coastal areas in this region.


Details about its diet are limited, but it likely feeds on small organic particles and detritus found in its habitat.