Echinoderm

Brittle star

Class Ophiuroidea

PacificAtlanticIndianSouthernArctic Found in all 5 oceans

All oceans, from the coasts to the greatest depths

Depth

From the coast to the greatest depths

Size

Disk often 1 to 3 cm, arms up to 60 cm in the largest

Diet

Debris, small animals

Zone

The sea floor · 200 – 3,500 m

Key facts

• A cousin of sea stars, it moves quickly by undulating its thin arms.
• It sometimes covers the bottom by the millions.
• A lost arm grows back.

Verified sources

1. Wikipedia : Brittle star
2. The Scientist : Explorers find Brittlestar City
3. WoRMS, Ophiuroidea

In the game: To observe

In the same zone

Brisingid sea starOrder Brisingida Harp spongeChondrocladia lyra XenophyophoreClass Xenophyophorea Abyssal sea penUmbellula sp. Venus flytrap anemoneActinoscyphia aurelia Sea lilyStalked crinoids