Status Updates From An Atlas of Endangered Species

Regarding the effect of stress from individual fishing: "Research shows with scalloped hammerheads that after they have been released, over 90 percent will still die later on."

This is due, in part, to lactic acid build-up when trying to escape being reeled in, as well as because of lack of oxygenation when struggling and when removed from the water.

One of several issues with the 'catch-and-release method.'

Sunflower sea stars can be challenging for scientists to track because they will often shed their arm if tagged. The arm can take one year to regrow.