"In the U.S., factory trawlers are the top predators of the commercial fishing fleet, " said Gerald Leape, Greenpeace legislative director for oceans.

CNN: Greenpeace: Industrial fishing fleet should be halved

Even with our potentially top player on injured reserve (the Atlantic sturgeon is currently under a commercial fishing ban), companies like Sterling, Tsar Nicoulai and Seattle Caviar are offering subtle, very caviary-tasting roe from the Pacific Coast white sturgeon, the lake sturgeon of the Great Lakes and the Mississippi, and even from the oddly abundant paddlefish, a distant sturgeon cousin.

FORBES: Roe Rage

Just as many NASCAR fans who can't afford top of the line race cars can still buy a basic Ford Mustang, so to can many fishing enthusiasts afford to take up the sport on a casual level.

FORBES: Magazine Article