Right next to the highway, this pure-bred giant tiger fish was caught cruising city canals like it belonged there.

Giant tiger shovelnose catfish in Florida canals?! That’s right—we’re in South Florida with Miguel, and we hooked into some massive exotic catfish you wouldn’t believe are lurking in local waters.

Researchers believe they may have worked out why giant trevally swim upstream in the Mtentu Estuary and circle in vast ...