Category: Marine Species

nautilus
In the Water Marine Species

Marine Species: Nautilus

The nautilus is a living fossil, unchanged for hundreds of millions of years. Although divers see them infrequently, they are most common in the tropical western Pacific.

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titan triggerfish
Marine Species

Marine Species: Titan Triggerfish

With impressive teeth and vibrant colors, titan triggerfish are the biggest among the species. And although they’re beautiful, divers should beware of this territorial fish.

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solitary corals
Conservation Marine Species

Introduction to Solitary Corals of the Indo-Pacific

Most corals are colonial animals with hundreds to thousands of tiny polyps, but solitary corals of the Indo-Pacific are a single-polyp species that lives freely on the ocean floor.

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Marine Species

Octopus Roundup: Top Five Favorites

Octopus are one of the ocean’s most intelligent animals, and while it’s hard to pick favorites, here are the five species we most want to see on a dive.

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New stuff
Great Barrier Reef

Mission Complete: The Great Barrier Reef Survey

Marine biologist and underwater photographer Johnny Gaskell recently explored the Great Barrier Reef in search of the truth on its current condition.
by Deborah Dickson-Smith
southern california sea life

A Beginner’s Guide to Southern California Sea Life

Beneath the waves lies a wonderland — Southern California sea life inhabits a magical realm, including forests, canyons and caves. Here are some highlights.
by Frankie Grant
sawfish

Sharks and Rays on the IUCN Red List

The IUCN Red List was established to track threatened species. Unfortunately, 28 sharks and rays appear on the list. Here’s the lowdown on 20 of them.
by Juanita Pienaar
Sebastian

Saving Sebastian — A Story With a Happy Ending

Tired of hearing tear-inducing awful news? Check out Sebastian the crab's story — with a happy ending.
by Beth McCrea