All sharks excrete urine through the skin and ammoniate the flesh with the exception of mako, thresher and great white sharks. These three species actually have a urinary tracks and do not urinate through the skin.
All sharks excrete urine through the skin and ammoniate the flesh with the exception of mako, thresher and great white sharks. These three species actually have a urinary tracks and do not urinate through the skin.
Perry's article quoted some marine biologists sponsored by a foundation that is looking into drugs getting into the ocean, I guess. Among other things.