Tips, tricks, and techniques to spearfish in poor visibility. There are way to make spearfishing in murky water safer and more enjoyable.

Spearfishing lake trout in clear mountain water-diver Jake Lords holds a Mackinaw after a freshwater dive.

I'll be honest — when I first heard someone describe lionfish hunting as "the most important thing a diver can do for the reef," I thought it was a bit dramatic. Then I got in the water in the Florida Keys and saw what these fish are actually doing to a reef ecosystem. After that first dive, I became a convert. Lionfish (Pterois volitans and Pterois miles) are native to the Indo-Pacific, but since the 1980s they've spread across the Gulf of America, Atlantic Coast, and Caribb

What a good online spearfishing course actually covers — freediving safety, gear rigging, hunting technique for kelp, reef, and bluewater — and why it matters before you get in the water.