Harry Alfandre discovered the famous giant-tuna grounds off the coast of Montauk, and instigated what amounted to a revolution among East Coast big-game fishermen. It's also how he came to tangle ...

Even at their own cost, whale sharks are like catalysts for smaller creatures of the sea. “A whale shark isn’t just a species. It’s a living ecosystem,” the caption added. In a new study published in ...

Video of men catching a giant manta ray sheds light on FL's little-known permits that allow threatened species to be caught for exhibition.

Two giant oarfish, rarely seen deep-sea creatures sometimes called “doomsday fish,” were spotted near the shore in Cabo San Lucas, Mexico, in an extremely rare sighting.

Researchers have documented “an entire community” of animals travelling with whale sharks – the world’s biggest fish.

Forty years of data collected by Scripps Institution of Oceanography tracks the West Coast's largest giant kelp forest.

Reviewing those rare encounters, marine scientist Mark C. Benfield at Louisiana State University (LSU) connected scattered sightings and documented the fish alive in its natural depth range. Footage ...

The Spinosaurus is a sail-backed, crocodile-snouted dinosaur that Hollywood depicted as a giant terrestrial predator capable of taking down a T. rex in Jurassic Park 3. Then they changed their mind ...

Passengers and crew on a boat headed from Ventura to Santa Cruz Island spotted a 20-foot basking shark this week. Here's what to know.

Japanese spider crabs have a span of three meters and can weigh up to 19 kilograms. However, the specimens now presented at the Vienna House of the Sea are somewhat smaller: They were recently saved ...

Young kelp forests are returning to Peru after scientists replanted giant seaweed, creating habitat for fish and restoring ...

The growth form of giant kelp (Macrocystis pyrifera) is composed of shoots known as stipes instead of branches. From one parent holding fast to the hard bottom might come as many as 150 stipes.