Giant guitarfish
| Giant guitarfish | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Rajiformes |
| Family: | Rhynchobatidae |
| Genus: | Rhynchobatus |
| Species: | R. djiddensis |
| Binomial name | |
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Rhynchobatus djiddensis Forsskål, 1775 |
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The giant guitarfish (Rhynchobatus djiddensis) is a species of guitarfish in the family Rhynchobatidae.
The giant guitarfish was previously believed to range throughout a large part of the Indo-Pacific, but recent evidence has shown that it, as traditionally defined, actually was a species complex consisting of 4 different species. In addition to the giant guitarfish, this complex includes the white-spotted guitarfish, the broadnose wedgefish and possibly the smoothnose wedgefish. With these as separate species, the giant guitarfish has a relatively restricted range: It is found only in the Red Sea and the tropical western Indian Ocean as far south as South Africa.
A large fish reaching up to 3.1m long and weighing as much as 227 kg. The colour underneath is white and overall dark greyish or olive above. Large individuals lack the distinct white spots of the closely related white-spotted guitarfish (though some white-spotted guitarfish are essentially unspotted too). It is ovoviviparous, and a female can give birth to litters of up to 10 young.
The giant guitarfish feeds on bivalves, crabs, lobsters, squid and small fish.
It is a shy fish, found from 2m to 50m depth, inhabiting areas with sandy sea floor. These are generally around coastal reefs or reef flats, but they will sometimes venture into the brackish waters of estuaries.
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Wikipedia