Squid say hello with a light show : Research Highlights

Squid say hello with a light show : Research Highlights



Humboldt squid change colour as they hunt small fish (video shown faster than real time). (MBARI)

Squid say hello with a light show

Humboldt squid (Dosidicus gigas) greet each other by turning on their internal bioluminescent organs. Researchers analysed hours of footage of roving groups of gregarious Humboldts and found that they sent signals to each other by combining bioluminescence and skin pigments — and dimmed the light show when pursuing prey.

Nature | 4 min readReference: PNAS paper