Do Octopuses Have Teeth? What You Need to Know
Octopuses do not have teeth, but they do have tongue-like organs called radulae with a few hundred small chitinous structures … Read more
Octopus
Octopus Reproduction: Why They Die After Mating
Octopuses die after mating because of senescence, a self-destructing behavior. Female octopuses die after time the eggs hatch while males … Read more
Octopus Beak: The Mouth of Octopuses
Octopuses have beaks for mouths. The beak is located at the base of the arms, where the arms meet the … Read more
Are Octopuses Dangerous? (What to Do if an Octopus Attacks)
Octopuses generally aren’t dangerous to humans and their venom is mostly harmless to us. They rarely attack humans as they … Read more
What Do Octopuses Eat? Dietary Facts & Needs
Octopuses are carnivores. They eat crustaceans, mollusks, and small fish. Hatchlings eat copepods, larvae, and plankton, while juvenile octopuses eat … Read more
Do Octopuses Have Bones? The Internal Structure of Octopuses
Octopuses are invertebrates meaning they don’t have bones. Their only solid body part is their beak made out of chitin. … Read more
Octopus vs. Squid (Key Similarities and Differences)
The main differences between octopuses and squids is that squids are bigger, heavier, have more limbs, and have a longer … Read more
Octopus Predators (The Natural Enemies of Octopuses)
Octopuses aren’t the main food source for any predators, but they are still eaten. Predators include sperm whales, moray eels, … Read more
Are Octopuses Venomous? (How Octopus Venom Works)
Yes, all octopuses are venomous. They store venomous proteins in venom glands which they use to paralyze their targets when … Read more
Do Octopus Arms Grow Back? The Fascinating Regeneration Process
An octopus can regrow its arms with cells. It takes about 130 days for new limbs to fully grow out. … Read more
How Many Brains Does an Octopus Have?
Octopuses have nine brains. They have one central brain (with overall control) wrapped around the esophagus. There are eight additional … Read more