Последнее видео на канале: МаипОпубликована новая статья: ЮэозаврСмотрите также: Новости палеонтологии
Проголосовало пользователей: 1
0 Пользователей и 1 Гость просматривают эту тему.
Perhaps the most encouraging area of shark repellency research is in the study of semiochemistry. This area of research was first proposed by Rasmussen & Schmidt (1992) who suggested that sharks may be chemically aware of the presence of potential danger by sensing the bodily secretions from potential predators. Semiochemicals found in the bodily secretions of predators may convey survival information to a shark and elicit rapid flight from an area that is potentially dangerous. Rasmussen & Schmidt (op. cit.) hypothesized that lemon sharks, especially juveniles,inherently recognize chemical exudates produced by the American crocodile, Crocodylus acutus, a known predator of sharks
А не было случаев, как тигровые акулы жрали острорылых крокодилов?
У тигровой челюсти не те.
Ну, я вроде что - то подобное слышал... Или то был нильский крокодил (т.е. тигровая акула съела нильского крокодила, а не острорылого?)?
The Tiger Shark has gained a reputation for its tendency to include very unorthodox elements in its diets. When studying the stomach content of Tiger Sharks, scientists have found very surprising objects, including a ladies pyjamas, a rubber tire, a roil of chicken wire, tar paper, a bad of potatoes, some shoes, a dog, a can of Spam, rags, bottles and a sack of coal. As mentioned above, the Tiger Shark is very opportunistic and will happily turn from hunter to scavenger when possible. When studying Tiger Sharks that inhabited an area were offal from slaughterhouses had been dumped, the scientists found parts of horses, cattle and sheep in the stomachs of the Tiger Sharks. A Tiger Shark captured off Durban in South Africa contained the head and forequarters of a crocodile.
Рекорд тигровой акулы - 5.5 м. и 1000-1500 кг.Касательно тигрового пилика:http://www.aquaticcommunity.com/sharkfish/tigershark.phpВ Южной Африке острорылы не плавают.
Я в курсе, но как тогда, по логике акулофанов, нилец попал в солёную воду?
...Нильцы заселили такие острова как Мадагаскар, как раз таки по морю.)
Рекорд тигровой акулы - 5.5 м. и 1000-1500 кг.
Не много - 1500 кг при 5,5 метров? В Википедии писали о 7,5 метровой весом 807 кг.