brittle star

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Related to Brittle stars: Feather stars, Sea lilies

brittle star

Any of various marine echinoderms of the order Ophiurida having long slender arms.

brit′tle star`

or brit′tle•star`,

any echinoderm of the class Ophiuroidea, having the body composed of a central rounded disk from which radiate long, slender, fragile arms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.brittle star - an animal resembling a starfish with fragile whiplike arms radiating from a small central discbrittle star - an animal resembling a starfish with fragile whiplike arms radiating from a small central disc
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
Ophiurida, subclass Ophiurida - brittle stars
References in periodicals archive ?
The brittle stars arms have near-perfect microscopic lenses that are made of calcite.
Without these astonishing submerged landscapes there simply wouldn't be any fish, let alone fantastic jewel anemones, seahorses, dolphins, brittle stars among all the other wild and extraordinary creatures which are part of a healthy marine ecosystem.
Nonetheless, polar steroids are proved to be an important natural product isolated from brittle stars which are responsible for their cytotoxicity, terpenes, naphthoquinones, phenylpropanoids, carotenoids and cerebrosides have been isolated from brittle stars and might have pharmacological activities (13).
Caption: Glass sponges, which provide habitat for feather and brittle stars in frigid Antarctic waters, flourished following the collapse of the Larsen A ice shelf.
Some echinoderms like brittle stars have lower prospects of survival in carbon dioxide values predicted for the year 2100.
I think it was too much white and brown, and not enough color on the corals and brittle stars.
In the tank, look at the brittle stars and the sea stars--what differences do you see between them?
What you saw was a field of brown corals with exposed skeleton - white, brittle stars tightly wound around the skeleton, not waving their arms like they usually do.
It is colonised by marine life, with a dense carpet of plumose anemones , sea urchins and brittle stars.
During an expedition to the shelf edge of the Great Barrier Reef, scientists captured the first images of the life associated with rolling undersea dunes and discovered a large community of aggregated brittle stars that have spectacular luminescent behaviour.
Large, mobile beds of brittle stars (a relative of starfish) occur, along with numerous rare sponges and fish.