Blending in with your surroundings is a crucial (and fascinating) skill in the animal kingdom, which is why many animals can ...

Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living things, including humans. Tetrodotoxin is most famously known from pufferfish — ...

Kat Zhou has won the Aquatic Life category in the 2025 BigPicture Natural World Photography Competition, while a shot of a ...

How do octopuses eat? Octopus diet varies on species and their size, but generally speaking the menu looks like a combination of shellfish, small fishes, and other octopuses. They’re predatory ...

Some scientists claim that octopuses could be the next big species after humans go extinct and that there is much to learn about the tentacled sea creatures. These are some ways that octopuses ...

The Carnarvon flapjack octopus was collected by scientists on a 2022 CSIRO research voyage, but it wasn't named until last week. The species is one of a number of newly-described species collected ...

All octopuses are venomous, but only one group, the blue-ringed octopuses, is known to be deadly to humans. There are around 300 recognized octopus species, which is over one-third of the total ...

A two-spot octopus, like the type an Oklahoma family brought home as a pet. Photo by NPR - Angelina Komatovich It's not all that unusual to see octopus on a restaurant menu. But an octopus as a family ...

According to Oceana.org, there are “at least 15 species” of this type of octopus in the world, and they are usually found in the deep sea, between 3,000 and 13,000 feet below the surface.

Octopuses don’t always hunt alone. A new study shows some members of the species Octopus cyanea maraud around the seafloor in hunting groups with fish.