Thursday, January 20, 2011

Are Sharks Color Blind?

Sharks are unable to distinguish colors, even though their close relatives rays and chimaeras have some color vision, according to new research by Dr. Nathan Scott Hart and colleagues from the University of Western Australia and the University of Queensland in Australia.Their study shows that although the eyes of sharks function over a wide range of light levels, they only have a single long-wavelength-sensitive cone* type in the retina and therefore are potentially totally color blind. Hart and team's findings are published online in Springer's journalNaturwissenschaften.
read here

1 comment:

Anonymous said...

Great informative post.
Thank you for sharing with us.

Zuzanna