sea star

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sea star




n., pl. (esp. collectively) -fish, (esp. for kinds or species) -fish•es.
any echinoderm of the class Asteroidea, having a radial body, usu. in the form of a star, with five or more arms radiating from a central disk.
Also called sea star.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sea star - echinoderms characterized by five arms extending from a central disksea star - echinoderms characterized by five arms extending from a central disk
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
References in periodicals archive ?
By decomposing patch area changes into (1) increases in body size of the resident mussels and (2) establishment and subsequent growth of new mussels we were able to demonstrate that sea stars as major predators were just able to balance patch growth due to the resident mussels' growth, but were swamped by intense recruitment.
A tidal pool forms near rocky areas on the beach when the tide washes shells and sea creatures, including sea stars, up onto the sand.
However, the most intensively studied benthic predators, whelks and sea stars, appear comparatively sluggish, and are sometimes portrayed as lacking an effective aggregation response (e.
Educational exhibits include a tank filled with urchins, sea stars, horseshoe crabs and tide pool dwellers, that youngsters can actually reach in and touch.
But once these marine protected areas are successful, they attract the sea stars which can make the small marine protected areas victims of their own success.
Our results show that sea stars contain two vitellogenins, Vtg 1 and Vtg 2, and MYP.
SEA STARS Chris races to help another falling holidaymaker
Families can also take in some star gazing as they get up close and personal with the newest additions, the sea stars.
The area is rich in sea anemones, sea stars, urchins and kelp, and naturalists will be stationed at the tidepools from 9 a.
Most marine organisms such as sea stars (starfish) do not move among locations as adults; instead juveniles swim in the plankton before settling onto the sea floor and growing into a sedentary adult.
ABSTRACT Crabs and sea stars are known to preferentially select mussels with morphological traits that diminish the predators' searching or handling times.