A Canary in the Water?

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A warning. Much like canaries brought into a mine to warn workers of changing environmental conditions, sharks too, may be hinting of changes in the oceans that threaten the survival of current animal populations.

According to scientists, interbreeding between two different shark species has been discovered off the coast of Australia. Their hybrid offspring have better tolerance to colder waters, making it easier for them to survive in changing oceanic conditions. Learn more about the latest discovery in evolution from Australian shark experts.