A new study suggests sharks may be color-blind, challenging the long-held belief they were mainly attracted to yellow. The joint study by researchers at the University of Queensland and University of Western Australia says it is the contrast that is important, not the color itself. Their finding appears in the journal Naturwissenschaften (Natural Sciences). The researchers say more studies need to be done, but their advice is to avoid wearing bright costumes of any color when swimming in the ocean. Sharks were thought to be mainly attracted to yellow, based on tests carried out by the United States navy. The researchers in Australia measured light-sensitive cells in the sharks' eyes to determine whether they could see colors.
This article is very interesting showing they way that sharks live and now we are able to continue studying sharks and they’re living patterns.
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