Quick answer
Beluga Whales typically weigh around 700–1,400 kg (1,540–3,090 lb); males larger, with length and height varying by sex and population. Size influences diet (Carnivore — fish, crustaceans, worms, and cephalopods), home range, and predator risk.
Key takeaway
Beluga Whales typically weigh around 700–1,400 kg (1,540–3,090 lb); males larger, with length and height varying by sex and population. Size influences diet (Carnivore — fish, crustaceans, worms, and cephalopods), home range, and predator risk.
Typical Beluga Whale size
Adults are often described at 700–1,400 kg (1,540–3,090 lb); males larger. Guides may list head-body length separately from tail; museum skins and live weights do not always match.
Males, females, and growth
Many species show sexual dimorphism. Juveniles reach adult mass over months to years; nutrition in Arctic and sub-Arctic seas, estuaries, and pack ice affects final size within genetic limits.
Why beluga whale size matters
Body size shapes diet (Carnivore — fish, crustaceans, worms, and cephalopods), territory size, predator risk, and rough longevity patterns around 35–50 years in the wild.
Measuring beluga whales
Live weights are hard to take; researchers use morphometrics, cameras, or carcass data. Treat tourist guesses cautiously.
Human interest and research
Beluga Whales feature in folklore, tourism, and scientific study worldwide. Ongoing research tracks population trends, genetics, and responses to environmental change — data that guides national protection policies.
Distribution and habitat
Beluga Whales live in Arctic and sub-Arctic waters of Russia, Canada, Alaska, and Greenland — estuaries like Churchill and St. Lawrence River. Preferred habitat includes arctic and sub-arctic seas, estuaries, and pack ice. Across Asia, Europe, North America, population density reflects prey availability, water access, and human disturbance. Protected areas and wildlife corridors remain essential for long-term persist
Sources
Beluga Whale FAQs
How big is a beluga whale?
Beluga Whales typically weigh around 700–1,400 kg (1,540–3,090 lb); males larger, with length and height varying by sex and population. Size influences diet (Carnivore — fish, crustaceans, worms, and cephalopods), home range, and predator risk.
What is the scientific name of the beluga whale?
Delphinapterus leucas — used in research and conservation listings for beluga whales.
What do beluga whales eat?
Beluga Whales eat fish, crustaceans, worms, and cephalopods, with seasonal and regional variation in Arctic and sub-Arctic seas, estuaries, and pack ice.
Where do beluga whales live?
They are associated with Arctic and sub-Arctic seas, estuaries, and pack ice. Local presence depends on food, cover, and human land use.
What is the conservation status of beluga whales?
Listed in our guides as Near Threatened. Check the IUCN Red List and national assessments for the latest formal category.