Ophiothrix fragilis measures 10 to 20 cm across with arms extended. Small round central disc surrounded by 5 long, thin, very spiny arms, in extremely variable colors: red, orange, purple, yellow, striped. Forms dense aggregations on rocky bottoms, wrecks and in crevices. Filter feeder: catches plankton with raised arms. Common in the Mediterranean and NE Atlantic from 0 to 350 m. Explosive spring spawning.
Photo of Common brittle star
Frequently asked questions
How big is the Common brittle star?
Common brittle star (Ophiothrix fragilis) reaches 10–20 cm in length.
At what depth can you find the Common brittle star?
Common brittle star is found between 0–350 m deep.
Is the Common brittle star dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Common brittle star?