How large is a sperm

Males can attain a length of 16 metres and a weight of 45 tons while females are considerably smaller, reaching a maximum length of about 12 m and 15 tons. Harper Collins Publishers, London. Cetaceans have developed horizontal flukes that increase the propulsion area driven by the back muscles. Adult males lead a solitary life except for the breeding season. They have a single, S-shaped blowhole located far forward and to the left of their head, which produces a distinctive angled spout or blow.
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Sperm Whale Location

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How Sperm Length Affects Fertility

Sperm whales are protected inSvalbard. The squat dorsal fin, actually no more than a large bump, is about two thirds of the body length back from the nose and there is a series of small knuckles or bumps along the spine from the fin to the flukes. For species where females mate with multiple males, sperm are in sharper competition with one another to fertilise the egg. In mid-latitudes there is a north-south seasonal migration, with them moving pole-ward in summer. Sperm whales have huge square heads, comprising almost a third of the total body length 2 3 ; indeed the specific name macrocephalus means large head. Sperm whale range The sperm whale is found in all of the oceans of the world, except the high Arctic 6.
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Sperm whale | Define Sperm whale at forumforstablecurrencies.info

Sperm whales have 20—26 pairs of cone-shaped teeth in their narrow lower jaw. Since whale hunting has decreased in the last few decades, their populations are starting to recover. The sperm whale has a single blowhole that is s-shaped and about 20 inches long. The fictional Moby Dick was a sperm whale. There is also a theory that sperm whales may stun their prey with a burst of sound.
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Most fertility research has focused on the size of sperm and the size of the swimmers' heads, but a new study suggests the variability in the length of sperm also may put a wrench in successful reproduction. Males leave these "nursery schools" at somewhere between 4 and 21 years of age and join a "bachelor school" with other males of a similar age and size. Wildscreen launches new international wildlife photography competition! The sperm whale is the only toothed whale under the management of the IWC. Dominica is believed to be the only Caribbean island with a year-round residential pod of females and calves. Hypotheses on further functions exist.
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