SCIENCE IN PICS: Crinoid ClingfishCrinoids or featherstars are filter feeders. Like some other echinoderms, they can form symbiotic relationships, for example with crinoid clingfish, Discotrema crinophilum.SavePrintEpoch Times Staff8/9/2011|Updated: 10/1/2015We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.