"Even at a commercial scale, a fishing boat can see what they just reeled in and if they caught a fish that's too small or is a different species they didn't intend [to catch], they can quickly release it."
Is this fish pole- or line-caught? If the answer is yes, that's usually a good sign, says Jennifer Dianto Kemmerly, vice president of global ocean initiatives at the Monterey Bay Aquarium in California. "Even at a commercial scale, a fishing boat can see what they just reeled in and if they caught a fish that's too small or is a different species they didn't intend [to catch], they can quickly release it."