Juvenile sharks aren't harmed by high chemical levels, study finds

05/1/2013 | Press-Telegram (Long Beach, Calif.)

Baby great white sharks caught off the coast of California have the greatest known levels of DDT and second-greatest polychlorinated biphenyl levels of any shark species, but they don't appear to exhibit any signs of problems from the chemicals, according to recent research. The contaminant levels were so high in the juvenile sharks that researchers hypothesized that adult females ingest the chemicals via the food chain and then pass the toxins on to their offspring.

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Press-Telegram (Long Beach, Calif.)

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