![]() But those “fronds” are their arms, constructed with zillions of pinnules, the tiny side branches that give the feathery impression.Īnd, as for arms, there are lots of them, far more than the five typically associated with their fellow echinoderms. At first glance, you might think they look like plants with feathery fronds. ![]() TECHNICALLY, FEATHER STARS HAVE ARMS JUST LIKE THEIR STARFISH AND BRITTLESTAR COUSINS. The delicate arms and pinnules of a feather star from the Philippines, up close and personal. Here’s a key feather star fact: They may seem to be fixed in place in their perches on coral heads or sponges or sea rods, but these crinoid creatures eat, reproduce and move like other animals.Īs a bonus, they’re often beautiful and compelling. UNLIKELY ANIMALS THEY MAY SEEM TO OUR EYES, but feather stars are full-fledged members of the animal kingdom.
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