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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 ...
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
Stapelia hirsuta, [1] common name starfish flower or carrion plant, is a species of flowering plant belonging to the family Apocynaceae. [2] [3] Name and synonyms
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.
It is commonly referred to as the carrion plant, starfish flower, giant toad plant, or starfish cactus, although it is not related to cacti at all. [3] This " carrion plant " nickname can also refer to similar Stapelia species as well as members of related genera, including Stapelia gigantea and Orbea variegata .
It rakes together heaps of sediment and then turns its cardiac stomach inside out and engulfs the mass. Edible sponge species are chosen in preference to other prey and tend to be eliminated from areas where the starfish abound. [4] The sexes are separate in the red cushion star.
An echinoderm (/ ɪ ˈ k aɪ n ə ˌ d ɜːr m, ˈ ɛ k ə-/) [2] is any animal of the phylum Echinodermata (/ ɪ ˌ k aɪ n oʊ ˈ d ɜːr m ə t ə /), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". [3]
As different species of starfish breed at different times of year, Orchitophrya stellarum may move from one species to another in accordance with their reproductive cycles. In the Pacific Ocean, it may alternate between parasitising Evasterias troschelii and Pisaster ochraceus during the spring and summer and Leptasterias spp. in the winter.