Blue-Ringed Octopus: The Deadliest Octopus
Blue-ringed octopuses weigh just 28g but carry enough tetrodotoxin to kill 26 humans. Expert guide to one of the deadliest marine animals on Earth.
December 2025
Coconut Octopus: Tool Use in an Invertebrate
Coconut octopuses carry coconut shells for shelter and walk bipedally across sandy bottoms. Expert guide to octopus tool use and why it's so remarkable.
November 2025
How the Mimic Octopus Impersonates Other Species
The mimic octopus impersonates flounders, sea snakes, lionfish, and more on demand. Expert guide to the most convincing animal mimic ever discovered.
Dumbo Octopus Life in the Deep Sea
Dumbo octopuses live 7,000 meters deep with floppy ear-like fins and swallow prey whole. Expert guide to the deepest octopus and why everyone loves them.
October 2025
Octopus: Alien-like Biology
Octopuses have three hearts, nine brains, and blue copper-based blood. Expert guide to the most alien biology on Earth and why octopus intelligence works the way it does.
Octopuses: Alien Intelligence Unveiled
Discover why octopuses are considered the closest thing to alien intelligence on Earth. Expert-written guide covering their three hearts, blue blood, distributed nervous system, instant camouflage, problem solving, and the science behind cephalopod cognition.
August 2025
Giant Pacific Octopus: The Ocean's Giant
Everything about the giant Pacific octopus: size, habitat, diet, intelligence, reproduction, conservation, and the strange facts that make Enteroctopus dofleini the largest octopus species on Earth.
June 2025
Mimic Octopus: Habitat, Size and Behaviour
Everything about the mimic octopus: habitat, diet, behaviour, context-dependent mimicry, reproduction, conservation, and the strange facts that make Thaumoctopus mimicus the only animal known to impersonate more than a dozen species.
April 2025
Blue-Ringed Octopus: A Toxic Wonder
Everything about the blue-ringed octopus: size, habitat, tetrodotoxin venom, iridescent warning pulse, reproduction, conservation, and the strange facts that make Hapalochlaena lunulata one of the most venomous marine animals on Earth.
February 2025
Common Octopus
Everything about the common octopus: size, habitat, diet, intelligence, reproduction, conservation, and the strange facts that make Octopus vulgaris the most-studied cephalopod on Earth and a species complex of cryptic relatives.