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spiny dogfish, spurdog, mud shark, piked dogfish (Squalus acanthias) latin dict size=133   common dict size=512
Image Info Original File Name: Squalus_acanthias_stellwagen - spiny dogfish, spurdog, mud shark, piked dogfish (Squalus acanthias).jpg Resolution: 1171x460 File Size: 362664 Bytes Date: 2006:10:31 13:14:22 Camera: E5000 (NIKON) F number: f/2.8 Exposure: 1/60 sec Focal Length: 71/10 Upload Time: 2017:03:28 22:38:44
Author Name (E-mail): Wiki Photos (---@---.---)
Subject spiny dogfish, spurdog, mud shark, piked dogfish (Squalus acanthias)

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spiny dogfish, spurdog, mud shark, piked dogfish (Squalus acanthias)

Spiny dogfish (Squalus acanthias) at the Josephine Marie shipwreck, Stellwagen National Marine Laboratory (cropped and adjusted from original).
Author Doug Costa, NOAA/SBNMS

The spiny dogfish, spurdog, mud shark, or piked dogfish (Squalus acanthias) is one of the best known species of the Squalidae (dogfish) family of sharks, which is part of the Squaliformes order. While these common names may apply to several species, Squalus acanthias is distinguished by having two spines (one anterior to each dorsal fin) and lacks an anal fin. It is found mostly in shallow waters and further offshore in most parts of the world, especially in temperate waters. Spiny dogfish in the northern Pacific Ocean have recently been reevaluated and found to constitute a separate species, now known as "Pacific spiny dogfish", Squalus suckleyi.
Order: Squaliformes
Family: Squalidae
Genus: Squalus
Species: Squalus acanthias Linnaeus, 1758
Acanthorhinus acanthias (Linnaeus, 1758)
Spinax acanthias (Linnaeus, 1758)
Squalus fernandinus Molina, 1782
Acanthias vulgaris Risso, 1826
Acanthias americanus Storer, 1846
Spinax acantheus Cuvier, 1863
Acanthias lebruni Vaillant, 1888
Squalus lebruni (Vaillant, 1888)
Squalus blainvillei (non Risso, 1827)
Squalus barbouri Howell-Rivero, 1936
Squalus tasmaniensis Howell-Rivero, 1936
Flakeus tasmaniensis (Howell-Rivero, 1936)
Koinga whitleyi Whitley, 1940
Koinga kirki Whitley, 1940
Squalus kirki (Whitley, 1940)

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Scientific Name: Squalus acanthias Linnaeus, 1758
Common Names:
English – Spiny Dogfish, Cape Shark, Spurdog, Piked Dogfish, Mud Shark, Grayfish
French – Aiguillat commun
Spanish – Cazón Espinoso, Espinillo, Galludo, Mielga, galludo espinoso
Squalus fernandinus Molina, 1782
Koinga kirki Phillipps, 1931
Squalus tasmaniensis Howell Rivero, 1936
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