Ophiothrix spiculata, the western spiny brittle star, is a species of marine invertebrate in the order Ophiurida.

It is found along the Pacific coast of North and South America from below the San Francisco Bay to Peru.

[1] Individuals come in a variety of colors, although usually with orange longitudinal stripes on the arms, and the body can measure up to 2 cm across.

[1] This species was first described by J. L. Le Conte in 1851.

This Ophiuroidea-related article is a stub.