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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 ...
Culcita novaeguineae (common name, cushion star) is a species of starfish. It has short arms and an inflated appearance and resembles a pentagonal pincushion . It is variable in colour and can be found in tropical warm waters in the Indo-Pacific .
These starfish have between 6 and 16 long, attenuated arms which they use for suspension feeding. [3] Other characteristics include a single series of marginals, a fused ring of disc plates, the lack of actinal plates, a spool-like ambulacral column, reduced abactinal plates, and crossed pedicellariae . [ 4 ]
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The Brisingidae are a family of starfish found only in the deep sea. [2] They inhabit both the Atlantic and Pacific Oceans at abyssal depths, and also occur in the Southern Ocean and around Antarctica at slightly shallower depths.
Culcita schmideliana, commonly known as the spiny cushion star, is a species of pin-cushion star.It has a variety of base colors and often patches of a different color. It is pentagonal in shape and lives in the tropical Indo-Pacif
Like other starfish in the family Asteriidae, Marthasterias glacialis is a predator and feeds mostly on bivalve molluscs and other invertebrates. [6] It has been found that secondary metabolites known as saponins , found within the starfish's tissues, have a dramatic effect on the whelk Buccinum undatum .
Choriaster granulatus is a large sea star with a convex body and five short arms. The arms have rounded tips, making it appear "phallic", leading to one of its common names being "the doughboy starfish".