Proisocrinus ruberrimus has a fan-like crown of arms supported by a stalk.
Proisocrinus ruberrimus probably lives for several years. Some crinoids are thought to live for over 10 years.
Dispersal is via a zooplanktonic larval stage. It is possible that adults are also capable of limited mobility.
Proisocrinus ruberrimus occurs as both male and female individuals. Learn how and when reproduction takes place and about the various developmental stages of this stalked crinoid.