Red-knobbed starfish
| Red-knobbed starfish | |
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| Scientific classification | |
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P. linckii
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| Binomial name | |
| Protoreaster linckii (Blainville, 1834)
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The red-knobbed starfish (Protoreaster linckii), also known as the red spine star, African sea star,[1] and the African red knob sea star,[2] is a species of starfish from the Indo-Pacific.[3][4]
Description
P. linckii grows to a maximum diameter of 12 in (30 cm). It has numerous tubercles located along its five arms. These tubercles are bright red and extend upward from the arms. It has a gray body with red stripes that connect the tubercles. This creates an appearance of a grid made of interconnecting wires.[5]
The skeleton is composed of many calcareous ossicles and spicules. They are located inside the layer of connective tissue. This skeleton supports the large central disk.[6]
It is distributed in the western Indo-Pacific[7][8] in locations ranging from shallow tidal pools to reefs up to 100 m (330 ft) deep.[9]
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Starfish in Mombassa.JPG
In Kenya.
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Close to a dead Astropyga radiata
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Drying
Behaviour and diet
P. linckii is active in the daytime.[10] It is a popular aquarium specimen, but is considered incompatible with many other invertebrates, as it will eat soft corals, sponges, tube worms, clams, other starfish, and alike.[11]
It is also a heavily fished species for curios trade.
References
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- ↑ http://www.peteducation.com/article.cfm?c=16+2158+2224&aid=2175
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- ↑ http://www.peteducation.com/article.cfm?c=16+2158+2224&aid=2175
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- ↑ http://www.peteducation.com/article.cfm?c=16+2158+2224&aid=2175
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ http://www.aquariumslife.com/sea-star/red-knob-sea-star-protoreaster-linckii/
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