Dive into the bizarre and beautiful world of nudibranchs with this amazing photo gallery compiled from Scuba Diving Magazine's 2014 Photo Contest submissions!

What do you know about giant isopods? If you're interested in facts about this underwater creature, Scuba Diving magazine has the answers! See how many days a giant isopod can survive without food, and what relationship it has to cell phones in Japan.

Have you heard about marine conservation in New Zealand? New Zealand's Subantarctic Islands are now being protected from fishing, mining and drilling through new marine reserves. Learn why this parliament decision is so important, and find more articles at scubadiving.com.

Derby divers are making a difference against an aggressive invader: lionfish. Here's what REEF's program is doing to help remove these beautiful but invasive fish found in the Atlantic and Caribbean.

Have you ever seen a fish swim upside-down? Be on the lookout for tiny, colorful basslets swimming belly-up when you're wall diving in the Caribbean — especially in Little Cayman Island and southern Cuba. Want more Critter Hunt adventures? Go to scubadiving.com.

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Did you know that Bluefin Tuna are one of the most valuable fish species in the world? So to prevent overfishing, scuba divers in the Mediterranean help ensure that an epic tuna fishery stays sustainable.

Mary O'Malley helps nations understand why we need to save sharks and manta rays. She has worked in Indonesia and with WildAid, Shark Savers and Manta Trust.

Thinking about diving in Indonesia? Want to see more fish, nudibranchs and other weird creatures than ever? Then read about underwater photographer Judy G's experience on the Wallace Line! Want more underwater pictures? Go to scubadiving.com.