Marine Life

The underwater world is home to extraordinary creatures of every shape and size. Learn about marine animals, their behaviors, habitats and the best places to encounter them responsibly.

A green nembrotha nudibranch has a black body with green spots and gill plume

10 Fun & Funky Nudibranchs: How Many Have You Seen?

If you're not obsessed with nudibranchs, are you even a diver?

Best Places To Dive With Weedy and Leafy Seadragons

Seadragons can only be spotted off the southern coast of Australia.

frontal view of a large titan triggerfish with an open mouth taking up most of the frame

King of the Reef: Titan Triggerfish Facts You Should Know

Explore their unique trigger anatomy and how to safely dive with them.

The Latest

The Story Behind the Card: Diver’s Dream by Rachel Moore

Discover the story behind PADI’s Diver’s Dream limited-edition certification card, featuring Rachel Moore’s breathtaking shark image.

Stars of the Sea: 9 Marine Species Named After Famous People