The epaulette shark, commonly found on shallow reefs of Australia and New Guinea, can walk up to 30 metres on dry land using its paddle-shaped fins, and survive hypoxia - a deficiency of oxygen - for up to two hours, they say.
The biologists at Florida Atlantic University (FAU), and their research partners in Australia, say these remarkable abilities enable the reef-dwelling sharks to survive increasingly hostile environments as conditions change.
The researchers' study, published in the integrative and comparative biology journal, says: "Such locomotor traits may not only be key to survival but also may be related to their sustained physiological performance under challenging environmental conditions, including those associated with climate change.
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