Port Jackson Shark Egg

Port Jackson Shark Egg. "When the Port Jackson shark lays an egg, she'll pick it up in her mouth and screw it into rocks and crevices to anchor it, so that they don't wash away. Watch Animal Instincts: Mission Migration in full on DOKBOX:https://www.dokbox.tv/explore/science/wildlife-wondersEvery year in Port Jackson, Australia, the.

) PJS's deposit their egg cases in very shallow water, often less than 5m deep Warmer water temperatures result in shorter incubation periods, while colder water temperatures result in longer incubation periods

The temperature sensitivity of the eggs has been shown to impact the growth rates of the. PJS's deposit their egg cases in very shallow water, often less than 5m deep The temperature sensitivity of the eggs has been shown to impact the growth rates of the.

. The Port Jackson shark breeding season lasts from late August to mid November, during which time a female will lay a pair of eggs every 10-14 days. PJS's deposit their egg cases in very shallow water, often less than 5m deep

. Like other heterodontids, the Port Jackson shark lays auger shaped egg cases.( they lay two eggs every 10 to 14 days, for a total of 8-16 eggs per year ) PJS's deposit their egg cases in very shallow water, often less than 5m deep