All the news on the Earth's largest environment.

Biologists have a habit of naming things after cool animals. Cars named after comb jellies, internet passwords after giant squid. Most of these names I recognized, but then I saw my friend’s wifi ...

You will never see the Ninja Lanternshark coming, not because it’s dark and elusive, but because you won’t be swimming below 1,000 feet deep off the coast of Central America any time soon. The ...

Like most deep-sea biologists, I have a large collection of decorated Styrofoam cups. A couple dozen line the bookshelf of my office, each displaying a rainbow of Sharpie colors. Each cup is ...

On a largely uninhabited island (a cay) in Bahamas, the chief residents are less than a two-dozen feral pigs. The island is now more lovingly referred to as Pig Island. The origins of these island ...

A comment on Reddit reminded me of a question that I have received many times. The question is always a good one because it stems from knowledge and deductive reasoning. The said question requires one ...

Magnapinna squids are one of the deep-sea more ethereal creatures. Little is known of these squid as very few have ever been captured, although over the last decade with the increased usage of ...

I was just listening to a podcast about how sea sponges use the pores all over their body to “bring in food and release wastes” and I’m pretty sure that’s a scientific way of saying the holes in ...

Readers of DSN may think they know my favorite organism. Did you guess the giant isopod or did you guess the giant squid? Those beasties are truly fantastic. Large and dwelling in the deep oceans, ...

It all started with this Tweet. So, uh, I just learned that this is what a pufferfish skeleton looks like, and I think you all should know too pic.twitter.com ...

Megalodon (Carcharocles megalodon) is the largest shark, at a magnificent maximum length of 18 meters (59 feet), to ever have dwelled in the oceans. We know primarily about Megalodon’s existence ...

Tiger sharks are sort of generalist feeders. And by generalist, I mean they will pretty much eat anything. And by everything, I mean everything. On the more natural side of things, tiger sharks eat ...