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Orca
Data Deficient

Orca

Orcinus orca

Also known as: Killer Whale, Blackfish

Orcas are the largest members of the dolphin family and apex predators of the ocean. They live in tight-knit family groups called pods and display complex social behaviors, unique dialects, and sophisticated hunting techniques.

Max Size

32 feet (9.8 m)

Lifespan

50-80 years

Depth

0-300 meters

Water Type

saltwater

Scientific Classification

Class
Mammalia
Order
Cetacea
Family
Delphinidae
Species
Orcinus orca

Habitat & Distribution

Habitat

All oceansCoastal watersOpen ocean

Distribution

All oceans worldwide, concentrated in cold waters

Behavior

Orcas live in matriarchal pods led by the oldest female. Different populations specialize in different prey and have unique hunting strategies. They are highly social and communicate with sophisticated vocalizations.

Reproduction

Females give birth every 3-10 years after 15-18 months of gestation. Calves stay with their mothers for life in resident populations.

Conservation Status

Data DeficientPopulation trend: unknown

Main Threats

  • Pollution
  • Prey depletion
  • Captivity
  • Noise pollution

🎉 Fun Facts

  • Orcas are actually the largest dolphins, not whales
  • Each pod has its own unique dialect
  • They are the only known predator of great white sharks
  • Orcas have never killed a human in the wild
  • They can swim up to 35 mph

Data Sources

Last updated: 1/15/2024