Artificial Reef Field Guide: Ophioplocus esmarki
| Common Name | Smooth Brittle Star |
| Code(s) | OPES |
| Id Number | 629 |
| Taxa | Invertebrate |
| Mobility | Mobile |
| Colonial / Solitary | Solitary |
| Typical Substrate Type | Hard |
Species Description
Disk diameter to 30 mm. Color solid brown or red-brown on the upper surface of the disk and arms. Arms are 2-3 times as long as the disk diameter. The arm spines are very short and can fold down along the arm.
Species Habitat
This species is not very active and tends to have stiff arms.
Species Range
Subtidal to 70 m; Tomales Bay, Marin County, California to San Diego, California.
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