Cushion star
A species of Culcita Scientific name : Culcita novaeguineae Genus : Culcita
Cushion star, A species of Culcita
Botanical name: Culcita novaeguineae
Genus: Culcita
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Description People often ask
Photo By Ed Bierman , used under CC-BY-2.0 /Cropped and compressed from original 
Description
A mature C. novaeguineae is pentagonal in shape with an inflated appearance and much-abbreviated arms. It can grow to a diameter of 30 cm (12 in). Rows of tube feet are on the underside, and it has a central mouth. The colour is very variable and includes a mottling with darker and lighter shades of fawn, brown, orange, yellow and green. The armoured body wall is made of calcareous ossicles which are supported internally by pillars which buttress the ambulacra. The armouring contains pits into which the tube feet can be retracted. The body cavity is filled with water. Small cushion stars are very different in appearance. They are star-shaped, with five short, broad arms and a low profile. As they grow, the inter-arm areas fill in and expand relative to the tube-feet areas, and the arms get shorter relative to the disc which becomes inflated and more massive.
* Disclaimer: The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.
People often ask
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Scientific Classification
Phylum
Echinoderms Class
Sea stars Order
An order of starfish Family
Cushion stars and allies Genus
Culcita Species
Cushion star 
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