Short-finned pilot whale


Short-finned pilot whale (Globicephala macrorhynchus)

Group formation: Social groups (matrifocal and matrilineal groups) 5-15 (> 200)

Size: males 5.5m, females 3.7m, calf 1.4m

Weight: males 3000kg, females 1200kg, calf 102kg

Age: males 40 yrs, females 65yrs

Sexual maturity: 10 yrs

Gestation: 12-15mths, with 5-8 yrs in between

Weaning: 2-5 yrs (up to 15yrs) menopause with 40 yrs

Diet: mostly squid, octopus, sometimes fish.

Distribution: Belongs to the oceanic dolphin family (Delphinidae) that lives in tropical and semitropical oceanic deep (>1000m) waters throughout the world, range between 50°N and 40°S.

Raja Ampat: they have been sighted regularly in large groups (>100), but nothing is known about them.

Population size: unknown

Conservation Status: Data Deficient ver 3.1, Pop. trend: unknown

Threats: Whaling (Japan, Indonesia, Sri Lanka, West Indies), chemical and plastic pollution, man-made noise impacts (seismic surveys, military sonar), entanglement in fishing gear, over fishing, captivity.

Vocalizations: voicesinthesea-short-finned-pilot-whales

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