Fish

Earth’s oceans are home to some seriously strange swimmers. From fish with transparent heads to bottom dwellers that pack an electric punch, the weirdest fish in the world come in all shapes and sizes.

By Nico Avelle

You don’t have to swim in the Mariana Trench to meet some of the scariest fish on Earth. The ocean is home to creatures that look like they swam out of a nightmare.

By Nico Avelle

A pet seahorse can be a rewarding marine companion, but keeping one healthy requires more than a pretty tank and good intentions.

By Nico Avelle

Some of the most dazzling creatures in nature live underwater. When it comes to aquariums, the colorful fish we choose can light up a tank like a living lava lamp.

By Nico Avelle

When people picture marine predators, seahorses might not top the list. But make no mistake: The seahorse diet is all about stealth, patience and tiny snacks. These oddball fish have evolved a specialized way of eating that works perfectly with their unusual shape and behavior.

By Nico Avelle

Is a seahorse a fish? Yes, despite their oddball appearances, seahorses are indeed fish. They belong to the genus Hippocampus and are classified within the Syngnathidae family, which also includes pipefish and sea dragons.

By Nico Avelle

If you've ever stood in the seafood aisle wondering what separates a can of light tuna from the sleek bluefin sashimi at your favorite sushi bar, you're not alone.

By Nico Avelle

If you've ever ordered fried fish at a restaurant and wondered what exactly you're eating, you're not alone. The debate of swai vs. catfish often comes down to species, origin, flavor, and nutrition.

By Nico Avelle

At first glance, cod and haddock might seem interchangeable on a dinner plate. But dig a little deeper into cod vs. haddock qualities and you'll find these two fish species have distinct qualities that influence taste, texture and how they're best cooked.

By Nico Avelle

At first glance, skate fish vs. stingray confusion is extremely understandable. Both belong to the class Chondrichthyes, the group of cartilaginous fish that includes sharks. They share flat bodies, wing-like pectoral fins, and bottom-dwelling habits.

By Nico Avelle

When it comes to salmon, not all fillets are created equal. The debate over sockeye vs. Atlantic salmon comes down to flavor, nutrition, habitat and how each fish is raised.

By Nico Avelle

They’re both long, sleek, and carry a sword-like bill, but when it comes to swordfish vs. marlin, these titans of the sea are anything but interchangeable. Whether you're into deep sea fishing or browsing seafood menus, knowing the difference between a swordfish and a marlin can make all the difference.

By Nico Avelle

With their serpentine bodies, massive jaws and slightly grumpy expressions, the wolf eel is one of the most misunderstood creatures beneath the waves.

By Nico Avelle

In the world of ocean giants, one name stands out: the Deep Blue shark.

By Nico Avelle

A summer day on the beach took a terrifying turn when a South Padre Island shark attack left beachgoers stunned and one woman seriously injured.

By Nico Avelle

You’ve probably heard of shark attacks and shark teeth, but here’s something lesser known and just as intriguing: Do sharks lay eggs? The answer is: it depends on the shark species.

By Nico Avelle

Don’t let the name fool you: While it’s not a real shark, the rainbow shark definitely brings a bold, finned attitude to the freshwater aquarium.

By Nico Avelle

Forget the bloodthirsty predators of summer blockbusters; the ghost shark is a real and seriously mysterious. You sure won’t find them lurking off a sunny beach.

By Nico Avelle

Sleek, fast, and unmistakably tinted with ocean hues, the blue shark is a standout among pelagic sharks.

By Nico Avelle

With their sleek, spotted bodies and easygoing demeanor, the leopard shark is a California coast icon. These sharks, scientifically known as Triakis semifasciata, cruise the shallow nearshore embayments of the eastern Pacific, especially around San Francisco Bay and southern California.

By Nico Avelle

With a name that sounds like it belongs in a storybook, the tasselled wobbegong shark is one of the ocean’s most fascinating ambush predators.

By Nico Avelle

When you picture Belize — a Central American jewel hugged by the Caribbean Sea — your mind probably drifts to turquoise waters, coral reefs and epic scuba diving adventures.

By Nico Avelle

If the ocean had a drag race, the mako shark would leave the competition in its bubbly wake.

By Nico Avelle

When you think of Florida, you probably imagine sandy beaches, warm surf and maybe a dolphin or two gliding by. Or, you might be thinking about Florida shark attacks — which, while rare, tend to feed a few headlines every year.

By Zach Taras

If you’ve ever peered into a crevice while scuba diving and spotted something snakelike with a wide grin and sharp teeth, chances are you’ve encountered a moray eel.

By Nico Avelle