Hello
I'm currently in second year neuroscience and we were discussing reptilian vision in class yesterday
My prof (who in my opinion has zero credibilty) made the claim that ALL reptiles have ONLY cones in their eyes... they have adapted to be completely diurnal and CANNOT see at night.

Owning two cornsnakes and a leopard gecko, both nocturnal species, I asked how the thousands of nocturnal reptile species can see properly if they in fact only have cones...this seems kind of strange to me...
in fact, when you look at the statement rationally, it seems completely false... in her next slide she talked about rodents being primarily nocturnal with primarily rods in the eye... rodents being a staple in most snakes' diet, you'd think snakes would be primarily nocturnal as well?

Anyways, when i asked if she was sure that ALL reptiles have ONLY cones she said yes... all reptiles have only cones... i asked her then how my pets can see and she said, and i quote "well i guess they can't...moving on" I was completely baffled by this and would like to know if anyone here can give me any information on vision in nocturnal reptile species

pointing me in the direction of some good diagrams would be awesome.

Thank you.
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Alexandria Neonakis
Owner of:
Olivia the Female Green Ig
Maize(f) and Onyx(m) the cornsnakes
Peter(m) and Lois(f) the Leopard Geckos

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