Australia’s fishing zone extends from three to 200 nautical miles from the coast, the third largest fishing zone in the world. Every fishing season, as the trawlers and longliners leave the shore to meet their quotas for rock lobster, prawns, and tuna—several other marine species not intended for food find themselves entangled in their nets or ensnared by hooks. The Shark and Ray Rescue Centre has become a lifeline for these creatures, mostly bottom-dwelling sharks and benthic rays who are often too injured to return to the wild. Once a regular aquarium,…