Study: Developing sharks "freeze" in eggs to avoid detection

01/10/2013 | BBC

Bamboo shark embryos may be able to detect predators and respond by temporarily stopping their breathing to avoid danger, according to a study published in the journal PLoS ONE. Researchers used electric fields simulating predators and discovered that the embryos employ similar methods akin to electroreceptors that grown sharks use to recognize other animals. The study could be a "stepping stone" to developing effective and safe shark repellents, said one member of the team.

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