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Eye

Fiddler crabs have a typical compound eye found in arthropods, sitting on the end of the eyestalk.

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Illustration of the eyes from the dorsal view. Figure modified from Crane (1975). image
Illustration of the eyes from the dorsal view. Figure modified from Crane (1975).
Illustration of eyes from a side view. Figure modified from Crane (1975). image
Illustration of eyes from a side view. Figure modified from Crane (1975).
A close-up of the eyestalks and eye from the fiddler crab Uca vocans. The dark vertical band in the center of the eyes is known is the pseudopupil. Original photo by Chris Lukhaup. image
A close-up of the eyestalks and eye from the fiddler crab Uca vocans. The dark vertical band in the center of the eyes is known is the pseudopupil. Original photo by Chris Lukhaup.