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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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9 years ago
The common goldfish is the only animal that can see both infra-red and ultra-violet light. Goldfish are quite intelligent and will recognize the person who feeds them.They have been widely used as a model system for the study of color vision. The goldfish retina contains rods and four cone types in juveniles, three cone types in adults. Face with Open Mouth
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#1
9 years ago
Goldfish have four kinds of cone cells, which are respectively sensitive to different colors: red, green, blue and ultraviolet. The ability to distinguish between four different primary colors classifies them as tetrachromats.
rsb
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#2
9 years ago
Goldfish can see approx a foot away and they can see in colour as well. They do have pretty good memories too, I read somewhere that their memory span spans over three months.
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