Harbor Porpoise

Harbor Porpoise

The harbor porpoise is one of the smallest marine mammals as well as one of the six species of porpoise and with three subspecies of its own.

Scientific Name – Phocoena phocoena

Classification – Phocoena

Gender Names – Male – bull; Female – cow; Baby – calf

Collective Noun – Herd, pod, school

Length/Size – 1.4 to 1.9 m (4.6 to 6.2 ft)

Weight – 61–76 kg (134-168 lb)

Top Speed – 8 mph

Life Expectancy – 20-24 years

Mating Season  Not clearly known

Gestation Period – 10 – 11 months

Special Features  The females are heavier than the males

Social Structure – Not much is known but often seen traveling in small pods of 4 – 5 individuals

Geographical Distribution – Northern temperate and subarctic coastal and offshore waters; varies between subspecies

Natural Habitat – In bays, estuaries, harbors, and fjords less than 650 ft (200 m) deep

World Population – 700,000

Conservation Status – Least Concern

Diet – Fish mostly herring, capelin, and sprat, also eat squid and crustaceans

Predators – Orcas (killer whales) and large sharks