Brittle stars massing by the hundreds in possible reproduction event at Tagus Cove, Isabela Island, Galapagos Islands, Ecuador, South America

Brittle star fish (Ophiothrix sp.), Sulawesi, Indonesia, Southeast Asia, Asia

Brittle Star on sponge, Belize.

Bat star with brittle stars (Patiris miniata ). USA, Channel Islands, CA

Brittle star (Ophiolepis sp).

Purple sea urchins and brittle stars (Strongylocentrotus purpatus ). USA, Channel Islands, CA

Bat star among brittle stars.USA, Channel Islands, CA

Seven-Armed Starfish (Luidia ciliaris) Close up detail showing tube feet, St Abbs, Scotland, UK North Sea

Brittle stars, urchins, and dead squid. USA, Channel Islands, CA

Sea rod and brittle stars (Plexaurella nutans) and (Ophiothrix suensonii), Cayman Islands, Caribbean.

Fragile Brittlestar (Ophiothrix fragilis), detail of many individuals with arms raised on gravel seabed, St Abbs, Scotland, UK North Sea

Brittlestar. Red Sea.

Empty shell on red gorgonian with brittle stars. USA, Channel Islands, CA

Brittlestar (Ophiothrix sp). Borneo, Malaysia (RR)

Common Sunstar (Crossaster papposus), brilliant orange/red multi-armed starfish on dark background with brittle starfish, St Abbs, Scotland, UK North Sea

Crinoid-encrusted sponge, reef.Indo Pacific “ Papua New Guinea

Tube worms (rare).USA, Channel Islands, CA

Hawaii, Reticulated brittle star (ophiocoma brevipes) on cushion starfish (culcita novaeguineae).

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

Hawaii, Big Island, Kalapana, Black Brittle Starfish turned upside down on black sand.

Netherland Antilles, Bonaire, Brittle Starfish on tube sponge.