The Eye Page: An exploration of eye structures in nature
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strange eyes


Strange Eyes
Porcupine fish The porcupine fish's eye is a modest circle visible near the top of the photo, hidden amongst its spines.


Scallops have two rows of eyes that look in every direction and sense the movement of shadows cast by approaching starfish, their predators.
Scallop
Pond vampire water bug The pond vampire water bug would grace any B-grade thriller with its ruby red eyes.


The mantis shrimp's eyes allow it to see well around it but not straight ahead.



Mantis shrimp
Flashlight fish
The flashlight fish feeds at night and harbors bioluminescent bacteria that produce light below its eyes.


Two different color eyes in the same individual is rare in humans but common in some mammals, such as horses, cats, and some types of dogs.

Domestic cat with one yellow and one blue eye

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