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It is somewhat variable in appearance and difficult to distinguish from other species of brittle star occurring in the same localities. The colour also varies, but populations in Florida are often reddish-orange, with a longitudinal white line along the upper surface of the arms. This brittle star grows to a disc diameter of about 10 mm (0.4 in).
Brittle stars, serpent stars, or ophiuroids (from Latin ophiurus 'brittle star'; from Ancient Greek ὄφις (óphis) 'serpent' and οὐρά (ourá) 'tail'; referring to the serpent-like arms of the brittle star) are echinoderms in the class Ophiuroidea, closely related to starfish. They crawl across the sea floor using their flexible arms ...
Evasterias troschelii (orange variant) The mottled star is a large starfish with a radius of up to 28 centimetres (11 in). It has a small disc and five long narrow arms often turned up at the tip. The widest point of the arms is a little distance away from the edge of the disc.
Ophiothrix spiculata, the western spiny brittle star, is a species of marine invertebrate in the order Ophiurida. It is found along the Pacific coast of North and South America from below the San Francisco Bay to Peru . [ 1 ]
Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea (/ ˌ æ s t ə ˈ r ɔɪ d i ə /). Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or basket stars. Starfish are also known as asteroids due to being in the class
The common starfish, common sea star or sugar starfish (Asterias rubens) is the most common and familiar starfish in the north-east Atlantic. Belonging to the family Asteriidae, it has five arms and usually grows to between 10–30 cm across, although larger specimens (up to 52 cm across) are known. The common starfish is usually orange or ...
Ophiothrix suensoni, Suenson's brittle star or the sponge brittle star, is a species of marine invertebrate in the order Ophiurida. It is found in the Caribbean Sea and Gulf of Mexico. It is included in the subgenus Acanthophiothrix making its full scientific name Ophiothrix (Acanthophiothrix) suensoni. [1]
They feed primarily on small crabs, though chitons, snails, clams, barnacles, brittle stars, and urchins have also been found in the diet. Their method of feeding is unique among sea stars. Rather than grasp their prey from below with their tube feet, they capture prey on their top surface using pedicellariae. These parrot-beak-like appendages ...