Catch and release fishing seems like a win win-situation, with recreational anglers experiencing the thrill of a catch, while their prey can, in theory, swim safely away.

But that's not always the case, according to a new study that found fish, including sharks, may suffer so much trauma during the event that they could die shortly thereafter. The findings, which will be published in next month's Journal of Experimental Marine Biology and Ecology, primarily apply to hook and line anglers, since the catches of seine net users rarely died upon release...