Four-Eyed Fish, Anableps anableps



Four-eyed fish, found in the Amazon River delta of South America.  The name four-eyed fish is actually a misnomer.  It has only two eyes, but both are divided into aerial and aquatic parts.  The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see clearly above and below the water surface simultaneously., Anableps anableps, natural history stock photograph, photo id 09277Add To Light Table
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Four-eyed fish, found in the Amazon River delta of South America.  The name four-eyed fish is actually a misnomer.  It has only two eyes, but both are divided into aerial and aquatic parts.  The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see clearly above and below the water surface simultaneously. Image #09276
Four-eyed fish, found in the Amazon River delta of South America.  The name four-eyed fish is actually a misnomer.  It has only two eyes, but both are divided into aerial and aquatic parts.  The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see clearly above and below the water surface simultaneously. Image #09278
Four-eyed fish, found in the Amazon River delta of South America.  The name four-eyed fish is actually a misnomer.  It has only two eyes, but both are divided into aerial and aquatic parts.  The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see clearly above and below the water surface simultaneously. Image #09279
Four-eyed fish, found in the Amazon River delta of South America.  The name four-eyed fish is actually a misnomer.  It has only two eyes, but both are divided into aerial and aquatic parts.  The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see clearly above and below the water surface simultaneously. Image #09280
Four-eyed fish, found in the Amazon River delta of South America.  The name four-eyed fish is actually a misnomer.  It has only two eyes, but both are divided into aerial and aquatic parts.  The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see clearly above and below the water surface simultaneously. Image #09281
Four-eyed fish, found in the Amazon River delta of South America.  The name four-eyed fish is actually a misnomer.  It has only two eyes, but both are divided into aerial and aquatic parts.  The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see clearly above and below the water surface simultaneously. Image #09282

Four-eyed fish, found in the Amazon River delta of South America. The name four-eyed fish is actually a misnomer. It has only two eyes, but both are divided into aerial and aquatic parts. The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see clearly above and below the water surface simultaneously.

Stock Photo: 09277
Species: Four-Eyed Fish, Anableps anableps
Format: Digital 3:2
Other Names: Largescale foureyes
Notable: The "four-eyed fish" is actually a misnomer. It has only two eyes, but both are divided into aerial and aquatic parts. The two retinal regions of each eye, working in concert with two different curvatures of the eyeball above and below water to account for the difference in light refractivity for air and water, allow this amazing fish to see above and below the water surface simultaneously.
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Keywords: anableps anableps, animal, eye, fish, fish anatomy, four-eyed fish, freshwater fish, largescale foureyes, underwater

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Updated: July 10, 2020

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