We often hear people talking about venomous and poisonous animals, so you’d easily be forgiven for thinking that they mean ...

Highly venomous male octopuses poison females before sex — to avoid being eaten after mating, scientists say By . Brooke Steinberg. Published March 14, 2025, 3:43 p.m. ET.

The blue-ringed octopus and Antarctic octopus are the two most deadly octopuses for humans when it comes to their venom, says Oregon State University. Meanwhile, the world’s biggest ...

Picture an octopus that could be deadly to humans. You’re probably thinking of a large creature, and not one that is the size of your palm. But indeed, that’s the blue-ringed octopus, one of several ...

Blue-lined octopuses are tiny, measuring just six inches across, but their venom packs a serious punch. Their salivary glands are full of symbiotic bacteria, which pump out a deadly poison called ...

Amazon Prime Video's "Octopus!" is a two-part documentary special narrated by Phoebe Waller-Bridge, premiering May 8 Prime Video/YouTube Octopuses are amassing fans for their quirky ways. The ...

Venom and poison can both be deadly, but they're two distinct natural weapons. The terms 'venom' and 'poison' are often used to mean the same thing: a toxic chemical produced naturally by an animal.

Squid, cuttlefish and octopuses, like this California two-spot octopus, use specialized proteins in their suckers to “taste” with their arms.

The octopus is one of the coolest animals in the sea. For starters, they are invertebrates.That means they don’t have backbones like humans, lions, turtles, and birds. That may sound unusual ...

The octopus just revealed another one of its secrets: what determines its sex. University of Oregon researchers have identified a sex chromosome in the California two-spot octopus. This chromosome ...