Northern prawn (Pandalus borealis) in its aquatic habitatPhoto: Dezidor ยท Image source ยทCC BY 3.0

Animal profile ยท Crustaceans ยท Coldwater shrimp

Northern prawn

Pandalus borealis

The northern prawn is a cold-water shrimp of muddy northern seas. It begins life as a male and later changes sex to become female.

Not a fish ยท an aquatic neighbor

Water

Saltwater

Cold continental shelves and organic-rich muddy seafloors.

Temperature

Range not established

A dependable species-specific wild temperature range was not established from the reviewed sources, so both values are null.

Size

Up to about 16 cm (6.3 in)

About the length of a smartphone

Lifespan

Usually about 8 years, though regional estimates vary.

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

01 ยท Signature adaptation

What does it do?

It swims above soft sediment and gathers in productive cold-water areas. Adults can move vertically through the water column to feed.

Its superpowerIt changes sex during its lifetime, with older individuals becoming females.

02 ยท Home coordinates

Where does it live?

Northern Atlantic and Arctic waters, with related Pacific populations often treated separately.

Regions: North Atlantic ยท Arctic Ocean ยท North Pacific

03 ยท The menu

What does it eat?

Larvae and adults filter or pick plankton and small drifting organisms from the water.

Planktivore and omnivore: phytoplankton, diatoms, zooplankton, small jellyfish.

04 ยท Remember this

Two wow facts

01

Sex-changing shrimp

Northern prawns mature first as males and later transform into females.

Sources [2]

02

Mud-bottom preference

Organic-rich mud provides an especially important habitat for this species.

Sources [1]