MarineBrains
Diving deep
Ocean Intelligence

MarineBrains

Dive into the minds of the ocean's most extraordinary creatures. Discover how they think, feel, and experience the deep.

Scroll
500M
Neurons in an octopus
9 kg
Sperm whale brain weight
450M
Years sharks have existed

Intelligence evolved twice

Marine animals evolved remarkable cognitive abilities completely independently from land mammals — giving us a second window into how intelligence itself works. Studying their minds reshapes our understanding of consciousness, emotion, and what it means to think.

Explore all species