MarineBrains
Diving deep
Home—Animals
6 species

Ocean

Intelligence

Six species. Six completely different approaches to being smart. Select any creature to explore the neuroscience behind its mind.

Dolphin
~1.5 kg

Brain Weight

Dolphin

Masters of echolocation and social intelligence

Octopus
~0.6 g

Brain Weight

Octopus

Eight arms, nine brains, infinite curiosity

Whale
Up to 9 kg

Brain Weight

Whale

Giants with ancient songs and profound emotions

Shark
~34 g

Brain Weight

Shark

Ancient predators with surprising neural sophistication

Manta Ray
Up to 7 m

Wingspan

Manta Ray

The ocean's gentle giants with surprisingly big brains

Cuttlefish
10 million

Chromatophores

Cuttlefish

The chameleons of the sea — masters of deception