Thorny skate
| Thorny skate | |
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| Scientific classification | |
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| Species: | A. radiata
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| Binomial name | |
| Amblyraja radiata (Donovan, 1808)
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Raja radiata | |
The thorny skate (Amblyraja radiata) is a species of fish in Rajidae family. This bottom-living skate lives in the North and Southeast Atlantic Ocean in depths ranging from 20 to 1,000 m (66–3,281 ft) and water temperatures from −1 to 14 °C (30–57 °F).[1]
Species description
The thorny skate reaches up to 1.05 m (3.4 ft) in total length and 11.4 kg (25 lb) in weight.[1] Its underside is smooth, but the upper side is, as the name suggest, very rough with many small thorns all over and 13-17 larger ones in line from the back of the head to end of the tail. The top side is brown with possibly black spots and the underside is white. It has a hard, roughly triangular snout and a tail, which is shorter than its body. It eats crustaceans, small fishes and worms. It produces egg capsules, which are 3.4-8.9 cm long and 2.3-6.8 cm wide, which hatch outside the body.
Conservation status
Thorny skate are taken as bycatch in some fisheries. It is a U.S. National Marine Fisheries Service Species of Concern. Species of Concern are those species about which the U.S. Government’s National Oceanic and Atmospheric Administration, National Marine Fisheries Service (NMFS), has some concerns regarding status and threats, but for which insufficient information is available to indicate a need to list the species under the U.S. Endangered Species Act.
References
- ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2017). "Amblyraja radiata" in FishBase. December 2017 version.
External links
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