Humboldt squid (Dosidicus gigas) in its aquatic habitatPhoto: Image courtesy of NOAA/MBARI 2006 ยท Image source ยทPublic domain

Animal profile ยท Mollusks ยท Squid

Humboldt squid

Dosidicus gigas

The Humboldt squid is a large, active predator of the eastern Pacific Ocean. It forms groups and makes daily vertical migrations through the water column.

Not a fish ยท an aquatic neighbor

Water

Saltwater

Open coastal and offshore waters, especially productive upwelling regions.

Temperature

Range not established

A dependable species-specific wild temperature range was not found.

Size

Up to about 1.5 m (5 ft) mantle-and-arm length

About as long as a tall refrigerator

Lifespan

Usually about 1 year, with some individuals living roughly 1โ€“2 years.

Life expectancy varies with place, conditions, and what scientists have been able to observe.

01 ยท Signature adaptation

What does it do?

It often travels in schools and migrates vertically, feeding nearer the surface at night. It is a fast swimmer and can be aggressive toward prey and competitors.

Its superpowerIt can rapidly change color while communicating, hunting, or reacting to danger.

02 ยท Home coordinates

Where does it live?

Eastern Pacific waters from the Gulf of California and California to Peru and Chile.

Regions: Eastern Pacific Ocean ยท Gulf of California ยท Peru ยท Chile

03 ยท The menu

What does it eat?

It uses two long tentacles and eight arms to seize prey, often attacking quickly in groups.

Carnivore: fish, anchovies, Pacific hake, other squid, crustaceans.

04 ยท Remember this

Two wow facts

01

Daily elevator ride

It can move through hundreds of meters of the water column during daily vertical migrations.

Sources [1] [2]

02

Color communicator

Rapid skin-color changes are used in interactions with other squid and during hunting or defensive displays.

Sources [1] [2]