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Sei Whale


Scientific Name:
Balaenoptera borealis
Length:
12.0 - 18.0 m (39.5 - 59.1 ft)
Weight:
45000 kg (99200 lbs)
Status:
edangered
Prey:
Plankton, small shooling fish and cephalopods

Physical characteristics

Has a long, sleek body that is bluish-gray to black with a pale underside.

Behavioral characterization

N/A

Distribution

Subtropical, temperate, and subpolar waters around the world

Population size

The Hawaiian stock has 40 to 80 and the eastern north Pacific has 35-55. No current estimates about the Nova Scotia and the western North Atlantic stock. The world wide total is 80,000.

Predators

N/A

Migration/Dispersal patterns

They may migrate to higher latitudes during the sommer.

Social system/Group size

They are usually seen solitary or in groups of 2 - 5.

Major threats

Ship strikes and entanglement in fishing gear.

Research efforts

N/A

Fun fact

A blow of a sei whale is 3.0 - 4.5 m high.