brittle star

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Related to Brittle stars: Feather stars, Sea lilies
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  • noun

Synonyms for brittle star

an animal resembling a starfish with fragile whiplike arms radiating from a small central disc

References in periodicals archive ?
They observed a six-armed brittle star and confirmed that the simulation was accurate compared to the real animal.
The ancestral larval form of brittle stars is the feeding, swimming, bilaterally symmetrical ophiopluteus larva.
Methods: The HeLa cells were cultured and exposed to brittle star methanol extract for 24 and 48 hr.
These ancient communities eventually declined because of the diversification of predators, and it is due to this predation pressure--mainly from fishes--that modern brittle stars tend to be cryptic, generally emerging at night to feed.
Similarly, high-density aggregations of brittle stars and brachiopods in boulder-cobble areas and fields of sea pens and sea urchins in sand and mud habitats also may provide space and structure for other organisms (e.g., Brodeur, 2001).
Brittle stars were removed from the substrate, counted, and the volume of the substrate was estimated by measuring displacement volume.
When it comes to spotting predators, one brittle star is all eyes.
We meet the angler fish who provides his own light source and lure for prey, the brittle stars which live up to four miles below the water surface, and learn how even the mighty sperm whale inhabits these deep reaches despite his need for air.
The bottom photo shows a small octopus sharing its holdfast home with some red, bristly brittle stars.
The brittle stars arms have near-perfect microscopic lenses that are made of calcite.
Methods: To extract polysaccharide, dried brittle stars were ground and extracted mechanically.
Some echinoderms like brittle stars have lower prospects of survival in carbon dioxide values predicted for the year 2100.
Undamaged, older larvae of sea stars and brittle stars (as well as other echinoderms) sometimes clone themselves.