New research has found a quarter of pregnant sharks and rays lose their pups when caught, threatening some speciesAustralian researchers have found a quarter of pregnant sharks and rays abort their pups when captured, revealing a little-known risk to the survival of the slow-growing animals.An analysis of recorded instances of sharks and rays either aborting their pups or undergoing a premature birth once captured found 24% of pregnant females across 88 species lost their young. In some species, such as the pelagic stingray, the rate of abortion on capture was 85%. Continue reading...
Pregnant sharks and rays likely to abort their young if captured
2. listopadu 2017 3:07
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Celý článek: https://www.theguardian.com/environment/2017/nov/02/pregnant-sharks-and-rays-likely-to-abort-their-young-if-caught
Zdroj: The Guardian