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The average size of sperm whales has decreased ... found a 1.69:1 ratio of squid to fish by weight. [163] Sperm whales sometimes take sablefish ... In comparison, ...
Male sperm whales are sexually mature at 11 to 12 meters (36 to 39 ft), and physically mature at about 15 to 16 meters (49 to 52 ft) in length, on average. Larger-than-average females have been generally recorded around 12 to 13 meters (39 to 43 ft), and larger-than-average males are usually stated to reach a maximum of about 18 to 19 meters ...
Size comparison between the sperm whale (blue), the pygmy sperm whale (green), and the dwarf sperm whale (orange) The dwarf sperm whale can range in size from 2 to 2.7 m (6.6 to 8.9 ft) in length and 136 to 272 kg (300 to 600 lb) in weight—less than the 4.25 m (14 ft) and 417 kg (920 lb) pygmy sperm whale.
By comparison, the modern sperm whale length measures on average 11 m (36 ft) for females and 16 m (52 ft) for males, [18] with some males reaching up to 20.7 m (68 ft) long. [19] [20] [21] The large size was probably an anti-predator adaptation, and allowed it to feed on larger prey.
Size comparison of an average human and a pygmy sperm whale (Kogia breviceps) This W3C-unspecified vector image was created with Inkscape . Size comparison of an average human and a dwarf sperm whale (Kogia sima).
Sperm whale and bottlenose whale. The sperm whale (Physeter macrocephalus) is the largest species of toothed whale, with adult bulls (males) growing to be about 15–18 m (49–59 ft) long, and weighing about 45–70 metric tons (44–69 long tons; 50–77 short tons).
File:Sperm whale male and female size.svg. Add languages. ... English: Size comparison of a male and female sperm whale with a human (16m, 11m, 1.75m repsectively).
Even a little bit of length adds a fair amount of weight, if it would not, long sperm whale males would look like sausages, not like whales. ALso, comparing Blue whales to Sperm whales is not really a valid comparison, since Blue whales are indeed slimmer than Sperm whales.99.231.59.7 22:26, 6 October 2007 (UTC)PAvel, October 6, 6:26.