"As with other species of echinoderms, this species can regenerate parts of the body that have been damaged. A single arm amputated at the base regenerated to a functional one within nine months. The Sunflower Star (Pycnopodia helianthoides
) and the Decorator Crab (Oregonia gracilis
) prey on this crinoid, and are thought to cause it to cast off its arms as a defense."
*See "Reproduction and Life History" for more information
> "The parasitic flatworm Fallocohospes inchoatus inhabits the intestine of F. serratissima.”
> "The name serratissima is from the Latin serratus, meaning ‘saw teeth.’ "
(Lambert & Austin, 2007, p. 18)