Isocrinid with 4 or more primibrachials.
M. rotundus possesses a fan-like crown of arms supported by a stalk.
M. rotundus grows:
Like many crinoids, it possesses the ability to:
Disembodied stalks are known to survive many months after the crown has detached (Oji and Amemiya, 1998).
M. rotundus probably lives for over 10 years (Oji, 1989).
Dispersal occurs via a zooplanktonic larval stage. Adults are capable of limited mobility within their habitat.
Metacrinus rotundus occurs as both male and female individuals. Learn how and when reproduction takes place and about the various developmental stages of this stalked crinoid.