Catherine Boisvert

A typical elephant shark from the Melbourne Aquarium. Wikimedia/Fir0002/Flagstaffotos

Avoiding Medusa’s gaze: what sharks can tell us about a rare human disease

Some things that develop as normal in elephant sharks and other marine life can mimic things we see in human disease. That makes these ‘mutants’ ideal for study to find out why things go wrong in humans.
Left: environment of the early tetrapod (Acanthostega) and tetrapodomorph fish (Eusthenopteron). Right: the axolotl and Australian lungfish. Catherine Boisvert

A dip in your hip, a glide in your stride? You have fish to thank

Around 395 million years ago, the first tetrapod (four-legged animal) wandered out of its watery home and stepped onto land. This was made possible by the evolution of weight-bearing hips consisting of…

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