Marine life hand signals are used by divers to communicate animal sightings underwater when oral communication isn't possible.

All Articles Tagged: Underwater naturalist

Ocean Animals 101: Diving into Common Questions

Beneath the ocean's surface lies a mysterious marine life kingdom. We answer some of the internet’s top questions about

Ocean Plants — And Why They’re So Important

From single-celled algae to towering kelp forests, learn about the different types of ocean plants and why they’re crucial

Four Birds You Might See Underwater While Diving

There is a large variety of seabirds that live on the coast. Here are four diving birds you might