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The tiger shark is the only species in its family that is ovoviviparous; its eggs hatch internally and the young are born live when fully developed. [7] Tiger Sharks are unique among all sharks in the fact that they employ embrytrophy to nourish their young inside the womb. The young gestate in sacks which are filled with a fluid that nourishes ...
Cannibalism is the act of consuming another ... Intrauterine cannibalism is known to occur in lamnoid sharks [52] such as the sand tiger shark, and in the ...
This phenomenon of embryonic cannibalism may play a role in sexual selection, as males compete post-fertilization for paternity. [16] Thus, intrauterine cannibalism in sharks may reflect not only sibling rivalry, but also male competition for successful mating with females, which is an example of sexual selection.
Tiger sharks are large species that reside in tropical and temperate waters and are among sharks most cited by the International Shark Attack File (ISAF) for unprovoked attacks on humans (Getty ...
The sand tiger shark (Carcharias taurus), grey/gray nurse shark, spotted ragged-tooth shark, or blue-nurse sand tiger, is a species of shark that inhabits subtropical and temperate waters worldwide. It inhabits the continental shelf , from sandy shorelines (hence the name sand tiger shark) and submerged reefs to a depth of around 191 m (627 ft ...
The man-eater of Segur, a young man-eating male Bengal tiger who killed 5 people in the Nilgiri Hills of Tamil Nadu state in South India.. Tigers are recorded to have killed more people than any other big cat, and have been responsible for more human deaths through direct attack than any other wild mammal. [1]
Sand sharks, also known as sand tiger sharks, gray nurse sharks or ragged tooth sharks, are mackerel sharks of the family Odontaspididae. They are found worldwide in temperate and tropical waters. They are found worldwide in temperate and tropical waters.
Siblicide (attributed by behavioural ecologist Doug Mock to Barbara M. Braun) is the killing of an infant individual by its close relatives (full or half siblings). It may occur directly between siblings or be mediated by the parents, and is driven by the direct fitness benefits to the perpetrator and sometimes its parents.