Fish rank as the most diverse group of vertebrates in the world. Scientists recognize over 37,000 distinct species, with many more waiting to be discovered. Most fish fall into the ray-finned group of ...

Seafood is still one of the healthiest proteins you can eat, but it comes with a caveat. Every fish in the ocean, from the smallest sardine to the largest shark, contains some amount of mercury. This ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Once considered a wartime staple or a protein to have ...