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Revision as of 22:01, 16 February 2005 by Fuelbottle (talk | contribs)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)| O. wendtii |
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| File:Ophiocomawendtii.jpg |
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| Binomial name |
| Ophiocoma wendtii |
The brittle star Ophiocoma wendtii inhabits coral reefs from Bermuda to Brazil. It is known for its advanced compound eyes. Its arms are covered with calcite crystals. In addition to function as an armor and give structural support, the crystals makes up its unique visual systems, they minimize spherical aberration and can detect the direction of incoming light. The lenses work by filtering and focusing light on an underlying photoreceptor system. The only known animal to employ a similar visual system, are the trilobites. Phototropic chromatophores can change O. wendtiis color and regulate how much light will reach the photoreceptors.
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