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The spiny dogfish (Squalus acanthias), spurdog, mud shark, or piked dogfish[4] is one of the best known species of the Squalidae (dogfish) family of sharks, which is part of the Squaliformes order. [5]
Spiny dogfish are found in the North Atlantic and North Pacific Oceans, mostly in the temperate and subarctic areas. In the Northwest Atlantic, they are found from Labrador to Florida and are most abundant between Nova Scotia and Cape Hatteras.
The spiny dogfish (Squalus acanthias), spurdog, mud shark, or piked dogfish is one of the best known species of the Squalidae (dogfish) family of sharks, which is part of the Squaliformes order. Show More
The spiny dogfish is a highly migratory species–one individual tagged in Washington made a 5,000-mile journey to Japan. The spiny dogfish also breaks records when it comes to gestation. These sharks have the longest pregnancy of any vertebrate at 22 to 24 months, or two years!
Squalidae, more commonly known as dogfish, dog sharks, or spiny dogfish, [3] are one of several families of sharks categorized under Squaliformes, making it the second largest order of sharks, numbering 119 species across 7 families. [4]
Spiny dogfish live in waters as deep as 4,050 feet but most are found in waters less than 1,150 feet deep. They are common in inland seas, such as San Francisco Bay and Puget Sound, and in shallow bays from Alaska to central California.
Spiny dogfish are probably the best-known type of dogfish and are one of the most abundant species of sharks worldwide. They are among the few shark species that have venom, which coats their dorsal spines. Spiny dogfish have grey backs and white bellies with white spots along their sides that fade with age.
Spiny dogfish, also known as Squalus acanthias, are a type of shark that are commonly found in the Atlantic Ocean. They are often considered a nuisance by fishermen, but they have a variety of uses that make them valuable in different industries.
A Spiny Dogfish is part of the Dogfish (Squalidae) family of sharks. They are a small shark with a few key characteristics, such as their two spines and white spots on the sides of their body. If attacked by a predator, a Spiny Dogfish will arch its back and inject venom into their attacker.
Facts about the Spiny dogfish - Squalus acanthias from the Shark Research Institute (SRI).