Octopus Color Eyes
The Typical Color of Octopus Eyes Octopus eyes are typically gold, brown, or black, varying by species and lighting. Their pupil is a distinctive horizontal slit in bright light, expanding to a circular shape in dim conditions. This horizontal orientation of the pupil remains consistent regardless of the octopus's body position, a feat managed by internal balance organs called statocysts.
Octopus eyes are typically yellow or green in color, although some species have blue or brown eyes. The color of an octopus's eye is determined by the pigments in the iris. Octopus eyes contain one type of light receptor, which only allows them to see black and white.
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Studies have shown they are able to see blues and yellows, but that's where their color vision seemingly ends. 13 Facts About Octopus Eyes and Their Vision 1. Octopuses might perceive color in a unique way The vibrant underwater world where octopuses live is a kaleidoscope of colors.
Interestingly, despite being inhabitants of such a colorful environment, octopuses are technically colorblind. The eyes of cephalopods like octopus, squid, and cuttlefish possess only one kind of photoreceptor, implying that they are colorblind, being able to see only in greyscale. Octopuses, cuttlefish and squid-the coleoid, or soft-bodied, cephalopods.
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Unlike the vertebrate eye, a cephalopod eye is focused through movement, much like the lens of a camera or telescope, rather than changing shape as the lens in the human eye does. The eye is approximately spherical, as is the lens, which is fully internal. [5].
Unique color vision: Despite lacking the specialized color receptors found in human eyes, some octopuses are thought to distinguish between different colors using a combination of chromatic aberration and pupil shape. Octopus eyes are typically yellow or orange in color. The pigment responsible for this vibrant hue is melanin, the same pigment responsible for eye color in humans.
Amazing Octopus Eyes and Octopus Vision
However, not all octopuses have bright yellow or orange eyes. Some species have more subdued colors, such as yellow-green or even pink, which can vary depending on the specific genus and species. Octopuses, squid and other cephalopods are colorblind - their eyes see only black and white - but their weirdly shaped pupils may allow them to detect color and mimic the colors of their background, according to a father/son team of researchers from the University of California, Berkeley, and Harvard University.
