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Genus of cartilaginous fishes From Wikipedia, the free encyclopedia
Glaucostegus, also known as giant guitarfishes, is a genus of large Indo-Pacific rays, with a single species, Glaucostegus cemiculus, in the East Atlantic, and Mediterranean.[1] They were formerly classified in the family Rhinobatidae but are now recognized as a distinct family, Glaucostegidae.[2]
| Glaucostegus | |
|---|---|
| |
| Giant guitarfish (G. typus) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Rhinopristiformes |
| Family: | Glaucostegidae Last, Séret & Naylor, 2016 |
| Genus: | Glaucostegus Bonaparte, 1846 |
Their upperparts are uniform pale yellowish, brownish or greyish, and the nose is pale. Most are large, reaching 1.7–3 m (5.6–9.8 ft) in length depending on the exact species involved, except for the small G. obtusus that is less than 1 m (3.3 ft).[1]
There are ten recognized species, all of which are classified as critically endangered:[2][3]
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