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Patiria miniata, the bat star, sea bat, webbed star, or broad-disk star, is a species of sea star (also called a starfish) in the family Asterinidae. It typically has five arms, with the center disk of the animal being much wider than the stubby arms are in length. [2] Although the bat star usually has five arms, it sometimes has as many as ...
C. tritonis is one of the few animals to feed on the crown-of-thorns starfish, Acanthaster planci. Occasional plagues of this large and destructive starfish have killed extensive areas of coral on the Great Barrier Reef of Australia and the western Pacific reefs. The triton has been described as tearing the starfish to pieces with its file-like ...
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 crown-of-thorns starfish (frequently abbreviated to COTS), [1] Acanthaster planci, is a large starfish that preys upon hard, or stony, coral polyps (Scleractinia). The crown-of-thorns starfish receives its name from venomous thornlike spines that cover its upper surface, resembling the biblical crown of thorns. It is one of the largest ...
The crown-of-thorns starfish has few other natural predators, and are capable of destroying large sections of coral reef. The struggle between a starfish and an Atlantic triton can last up to an hour before the seastar is subdued by the snail's paralyzing saliva. Tritons can be observed to turn and give chase when the scent of prey is detected.
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Starfish have sensory cells in the epithelium and have simple eyespots and touch-sensitive tentacle-like tube feet at the tips of their arms. Sea urchins have no particular sense organs but do have statocysts that assist in gravitational orientation, and they too have sensory cells in their epidermis, particularly in the tube feet, spines and ...