A recent study showed that crawling speed is slower in larger, longer-armed bat stars, for both five and six-armed individuals. This may be because of the lower ratio of tube-feet to body mass as the stars grow larger. (Mongomery and Palmer 2012)
- Montgomery, E.M. and A. R. Palmer. 2012. Effects of Body Size and Shape on Locomotion in the Bat Star (Patiria miniata). Biol. Bull. 222: 222–232 http://www.biolbull.org/content/222/3/222.abstract
No one has provided updates yet.