What is the maximal age a Sei whale reaches?
An adult Sei whale (Balaenoptera borealis) usually gets as old as 74 years.
Sei whales are around 334 days in the womb of their mother. When born, they weight 650 kg (1433 lbs) and measure 4.73 meter (15′ 7″). As a member of the Balaenopteridae family (genus: Balaenoptera), their offspring is 1 babies per pregnancy. Fully grown, they reach a bodylength of 17.44 meter (57′ 3″).
As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.
The sei whale (, Balaenoptera borealis) is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. It avoids polar and tropical waters and semienclosed bodies of water. The sei whale migrates annually from cool, subpolar waters in summer to temperate, subtropical waters in winter with a lifespan of 70 years.Reaching 19.5 m (64 ft) long and weighing as much as 28 t (28 long tons; 31 short tons), the sei whale consumes an average of 900 kg (2,000 lb) of food every day; its diet consists primarily of copepods, krill, and other zooplankton. It is among the fastest of all cetaceans, and can reach speeds of up to 50 km/h (31 mph) (27 knots) over short distances. The whale’s name comes from the Norwegian word for pollock, a fish that appears off the coast of Norway at the same time of the year as the sei whale.Following large-scale commercial whaling during the late 19th and 20th centuries, when over 255,000 whales were killed, the sei whale is now internationally protected, although limited hunting occurs under a controversial research program conducted by Japan. As of 2008, its worldwide population was about 80,000, less than a third of its prewhaling population.
Animals of the same family as a Sei whale
Not really brothers and sisters, but from the same biological family (Balaenopteridae):
- Humpback whale becoming 95 years old
- Fin whale becoming 116 years old
- Bryde’s whale becoming 72 years old
- Blue whale becoming 110 years old
- Common minke whale becoming 50 years old
Animals that reach the same age as Sei whale
With an average age of 74 years, Sei whale are in good companionship of the following animals:
- Sperm whale usually reaching 77 years
- Asian elephant usually reaching 80 years
- Horse usually reaching 62 years
- African bush elephant usually reaching 80 years
- Bryde’s whale usually reaching 72 years
- Berardius usually reaching 71 years
- Chimpanzee usually reaching 60 years
- Dugong usually reaching 70 years
- Short-finned pilot whale usually reaching 63 years
- Bornean orangutan usually reaching 60 years
Animals with the same number of babies Sei whale
The same number of babies at once (1) are born by:
- Subantarctic fur seal
- Little collared fruit bat
- Broad-striped Malagasy mongoose
- Neotropical pygmy squirrel
- Brush-tailed rock-wallaby
- Black lemur
- Kob
- Sclater’s guenon
- California sea lion
- Macroscelides proboscideus
Weighting as much as Sei whale
A fully grown Sei whale reaches around 22103.13 kg (48728.99 lbs). So do these animals:
- Southern right whale weighting 23000 kilos (50706.26 lbs) on average
- North Atlantic right whale weighting 23000 kilos (50706.26 lbs) on average
- Bryde’s whale weighting 20000 kilos (44092.4 lbs) on average
Animals as big as a Sei whale
Those animals grow as big as a Sei whale:
- Fin whale with 20.65 meter (67′ 9″)
- Southern right whale with 14.15 meter (46′ 6″)