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The zebra shark occurs in the tropical waters of the Indo-Pacific region, from South Africa to the Red Sea and the Persian Gulf ( including Madagascar and the Maldives ), to India and Southeast Asia ( including Indonesia, the Philippines, and Palau ), northward to Taiwan and Japan, eastward to New Caledonia and Tonga, and southward to northern Australia.
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zebra and shark
* Orectolobiformes: They are commonly referred to as the carpet sharks, including zebra sharks, nurse sharks, wobbegongs and the whale shark.
* Heterodontus zebra ( Zebra bullhead shark )
The zebra shark ( Stegostoma fasciatum or varium ) is a species of carpet shark and the sole member of the family Stegostomatidae.
The zebra shark is oviparous: females produce several dozen large egg capsules, which they anchor to underwater structures via adhesive tendrils.
The zebra shark was first described as Squalus varius by Seba in 1758.
In 1984, Compagno rejected the name " varius / m " in favor of " fasciatus / m " for the zebra shark, because Seba did not consistently use binomial nomenclature in his species descriptions ( though Squalus varius is one that can be construed as a binomial name ).
The juvenile coloration is also the origin of the common name " zebra shark ".
There is robust morphological support for the placement of the zebra shark, the whale shark ( Rhincodon typus ), and the nurse sharks ( Ginglymostoma cirratum, Nebrius ferrugineus, and Pseudoginglymostoma brevicaudatum ) in a single clade.
Dingerkus ( 1986 ) suggested that the whale shark is the closest relative of the zebra shark, and proposed a single family encompassing all five species in the clade.
Goto ( 2001 ) placed the zebra shark as the sister group to a clade containing Rhincodon and Ginglymostoma.
Bottom-dwelling in nature, the zebra shark is found from the intertidal zone to a depth of 62 m ( 210 ft ) over the continental and insular shelves.
The zebra shark has a cylindrical body with a large, slightly flattened head and a short, blunt snout.
The zebra shark attains a length of 2. 5 m ( 8. 2 ft ), with an unsubstantiated record of 3. 5 m ( 11. 5 ft ).
In 1964, a partially albino zebra shark completely lacking spots was discovered in the Indian Ocean.
The zebra shark swims with an eel-like motion.
The zebra shark feeds primarily on shelled molluscs, though it also takes crustaceans, small bony fishes, and possibly sea snakes.
Known parasites of the zebra shark include four species of tapeworms in the genus Pedibothrium.
There is an observation of an adult male zebra shark biting the pectoral fin of another adult male and pushing him against the sea floor ; the second male was turned on his back, and remained motionless for several minutes.
A juvenile zebra shark with a color pattern intermediate between that of young and adults.
The courtship behavior of the zebra shark consists of the male following the female and biting vigorously at her pectoral fins and tail, with periods in which he holds onto her pectoral fin and both sharks lie still on the bottom.
The zebra shark is oviparous, with females laying large egg capsules measuring 17 cm ( 7 in ) long, 8 cm ( 3 in ) wide, and 5 cm ( 2 in ) thick.
zebra and tropical
The Aquarium includes a variety of tropical marine and freshwater bony fish including Murray cod, Queensland groper, humphead wrasse, barramundi as well as giant moray, zebra moray and giant shovelnose ray.
zebra and waters
Recently, the introduction of zebra mussels has made the clear waters even clearer.
zebra and from
It is famous for its exceptional population of lions, leopards and cheetahs, game, and the annual migration of zebra, Thomson's gazelle, and wildebeest to and fro the Serengeti every year from July to October, known as the Great Migration.
Wildebeest, topi, zebra, and Thomson's gazelle migrate into and occupy the Mara reserve, from the Serengeti plains to the south and Loita plains in the pastoral ranches to the north-east, from July to October or later.
The name comes from a Khoikhoi word for zebra and is onomatopoeic, being said to resemble the quagga's call.
Recent genetic research at the Smithsonian Institution has demonstrated that the quagga was, in fact, not a separate species at all, but diverged from the extremely variable plains zebra, Equus burchelli, between 120, 000 and 290, 000 years ago.
After the very close relationship between the quagga and surviving zebras was discovered, the Quagga Project was started by Reinhold Rau ( 1932 – 2006 ) in South Africa to recreate the quagga by selective breeding from plains zebra stock, with the eventual aim of reintroducing them to the wild.
Grevy's zebras ( and perhaps also Mountain Zebras ) are, together with asses and donkeys, in a separate lineage from other zebra lineages.
The hybrid foals lacked a dewlap and resembled the plains zebra apart from their larger ears and their hindquarters pattern.
The common plains zebra is about 50 – 52 inches ( 12. 2-13 hands, 1. 3 m ) at the shoulder with a body ranging from 6 – 8. 5 feet ( 2 – 2. 6 m ) long with an 18-inch ( 0. 5 m ) tail.
When chased, a zebra will zig-zag from side to side, making it more difficult for the predator.
The first two animals to arrive at the park were the Nilgai, an antelope from the plains of North India, and the black and white striped Grant's Zebra, a zebra native to East Africa.
This is the event where riders may choose anything from traditional hunter green or navy blue to tie-dye, zebra stripes, or fluorescent colors.
Another historian mentions that the king of Yemen sent a zebra to the ruler of Iraq in 969 / 970, which he had received as a gift from the Queen of al-Habasha.
" Aside from a polyglutamine tract, human FOXP2 differs from chimp FOXP2 by only two amino acids, mouse FOXP2 by only 3 amino acids, and zebra finch FOXP2 by only 7 amino acids.
Recent phylogenetic evidence suggests that Grévy's zebras ( and perhaps also mountain zebras ) are with asses and donkeys in a separate lineage from the Plains zebra.
The hybrid foals lacked a dewlap and resembled the plains zebra apart from their larger ears and their hindquarters pattern.
Recent genetic research at the Smithsonian Institution has demonstrated that the quagga was in fact not a separate species at all, but diverged from the plains zebra, between 120, 000 and 290, 000 years ago, and suggests that it should be named Equus burchelli quagga.
At the moment of birth, a mother zebra keeps any other zebra away from her foal, including the stallion, the other mares, and even the previous offspring.
For protection from land predators, the plains zebra retreats into open areas with good visibility at night.
In Tanzania, the zebra population has decreased by 20 % from the late 1990s to the mid 2000s.
The original zebrafish ( or zebra danio, Danio rerio ) from which the GloFish was developed is a native of rivers in India and Bangladesh.
Shortly thereafter, his team developed a line of red fluorescent zebra fish by adding a gene from a sea coral, and orange-yellow fluorescent zebra fish, by adding a variant of the jellyfish gene.
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