Basket stars are a group of brittle stars. They are treated as a suborder Euryalina or order Euryalida. Many of them have characteristic many-branched arms. They generally live in deep sea habitats.The life span in the wild is up to 35 years. They weigh around 11 lbs, or 5 kg. Like other echinoderms, basket stars lack blood and achieve gas exchange via their water vascular system.
The basket stars are the largest ophiuroids with Gorgonocephalus stimpsoni measuring up to 70 cm in arm length with a disk diameter of 14 cm.