6 Fascinating Creatures Highlight Wonders of the Sea

These unique animals show the need to protect our ocean

Correction note: This post has been updated to correct a fact about belugas.

Even with the dizzying pace of mankind’s technological advances, much of the sea and many creatures that live there remain mysterious. Scientists continue to discover new species and gather clues on the curious behavior of marine life throughout the global ocean.

Here are six marvels of the oceanic environment.

The Gulf of Mexico has hidden (living) treasures

Deep-sea corals

Deep-sea corals thrive at depths of thousands of feet, and some grow hundreds of feet tall. Scientists are still discovering more coral species in the Gulf of Mexico, such as this gorgonian species, Iridogorgia.

© NOAA

Huge tuna are in trouble

Pacific bluefin tuna

Pacific bluefin tuna are among the world’s most majestic fish. They can weigh more than 1,000 pounds and dive up to 1,500 feet, but they are in serious trouble after years of overfishing. Today, the population of Pacific bluefin has dropped 97 percent from its historic high.

© iStockphoto

Great white sharks have a mysterious social spot

Great white sharks are apex predators in the White Shark Café.

The “White Shark Café” is a special place in the Pacific Ocean halfway between the Baja Peninsula of Mexico and Hawaii, where migrating great whites gather. Scientists don’t yet understand what compels hundreds of these animals to meet there every April to July.

© The Pew Charitable Trusts

This coral is about as old as the Egyptian pyramids

deep-water black coral

The waters of the Papahānaumokuākea Marine National Monument in Hawaii are home to one of the world’s oldest-known living organisms: a deep-water black coral estimated to be 4,265 years old—dating from around the time the ancient Egyptians were building the pyramids.

© Daniel Wagner - NOAA Affiliate

Beluga whales are ahead of their class

 Beluga whales

Beluga whales are one of the few cetaceans (a classification that includes whales, dolphins, and porpoises) that can turn their heads because their neck vertebrae are not fused.

© iStockphoto

The ‘monster fish’ off Florida

goliath grouper

The goliath grouper can weigh up to 800 pounds and swallow an adult stingray whole. These behemoths were almost wiped out by severe overfishing in the 1990s but have made a strong comeback and are again found throughout Florida.

© Getty Images

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