Big Fish. Biiiiiiiiiiig Fiiiiiiiiiiish
In the Mekong River there are giant catfish that have been talked about for over a thousand years. They're critically endangered now. So, they caught one and collected it's milt for a captive breeding program. And the big guy died. Oops. Hey, steaks for everyone!
Grizzly Bear-Size Catfish Caught in Thailand