Our oceans are filled with fascinating marine life. Of course, they're not all harmless. Avoid these venomous creatures while snorkeling, diving, or swimming.

The creatures on this list are arranged ... The Atlantic wolffish goes by many other names, including the sea wolf, Atlantic catfish, ocean catfish, devil fish, and wolf eel.

Like Loch Ness in Scotland, the Shannon Estuary in Ireland has long been home to a fabled sea monster. Known as a Cathaigh — or Cata for short — the mysterious creature is rumored to lurk in the ...

A clump of sargassum weed the size of a soccer ball drifts near Bermuda in the slow swirl of the Sargasso Sea, part of the North Atlantic gyre ... like it in any other ocean,’ says marine ...

Over 75 extremely rare sea creatures — about “20% of the entire ... Aerial surveys over the Gulf of Maine captured the group of North Atlantic right whales spread out this week across 10 ...

That great ocean out there is called the Atlantic. It stretches all the way ... that happens to be floating in them, which can be sea creatures, ships and unfortunately rubbish.