9/11/2023 0 Comments Zebra shark clipart( "Henry Doorly Zoo, Omaha, Nebraska, U.S.A.", 1999 "Zebra shark", 2005) The incubation of these eggs took about 6.5 months, which is estimated to be the same as in the wild. Of the 46, 7 were infertile and 31 did not develop entirely. At the Henry Doorly Zoo in Omaha, Nebraska, 3 eggs hatched out of a group of 46 laid. The eggs hatch at about 20 to 36 cm.īreeding in captivity has been achieved, but the eggs are hard to incubate. The eggs are large, about 17 cm in diameter and are fertilized externally. Females lay eggs, and are suspected to lay more than one egg at a time. ( "Zebra shark", 2005) Reproductionĭetails on the mating system of this species are not available. As they age, the young lose their stripes and gain spots as their base color lightens. The young sharks are darker in base color and have light stripes and spots than do adult sharks. Individuals less than 70 cm in length are rarely seen, indicating that they spend the first months of their lives at depths that recreational divers do not reach. From the time they hatch they are independent of their parents. Newly fertilized eggs are laid on rocks at the bottom of reefs. The anterior dorsal fin is larger than the posterior and the gray body is covered in dark brown spots. Five gill slits are present on the side of the head. The head is broad with large eyes and a transverse mouth just below them. The body is cylindrical with lateral ridges and a tail as long as the body. The largest zebra shark captured wasabout 3.5 m in length. Zebra sharks range from about 2.5 m to 3.0 m in length. Stegostoma fasciatum is commonly found around warm water reefs and sandy areas. It generally resides around 62 m below the surface of the ocean, but it has occasionally been found in fresh water also. It lives mainly over continental and insular shelves and is very common around coral reefs and sandy bottoms. This species is abundant in Australian coastal waters. Zebra sharks ( Stegostoma fasciatum) live in the central, western and Indian Pacific oceans.
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