Pacific white-sided dolphin

The Pacific white-sided dolphin (Lagenorhynchus obliquidens) is a very active dolphin found in the cool to temperate waters of the North Pacific Ocean.

The Pacific white-sided dolphin has three colors. The chin, throat and belly are creamy white. The beak, flippers, back, and dorsal fin are a dark gray. Light gray patches are seen on the sides and a further light gray stripe runs from above the eye to below the dorsal fin, where it thickens along the tail stock. A dark gray ring surrounds the eyes.

Pacific white-sided dolphin
  • Size

    The species is an average-sized oceanic dolphin. Females weigh up to 150 kg (330 lb) and males 200 kg (440 lb) with males reaching 2.5 m (8.2 ft) and females 2.3 m (7.5 ft) in length.

  • Feeding

    Prey is mainly hake, anchovies, squid, herring, salmon, and cod.

  • Life History

    Pacific white-sided dolphins tend to be larger than dusky dolphins. Females reach maturity at seven years. The gestation period is one year. Individuals live 40 years or more.

  • Behavior

    These dolphins keep close company. Members form a close-knit group and will often care for a sick or injured dolphin. Young dolphins communicate with a touch of a flipper as they swim beside adults.