description Picked dogfish Overview
The picked dogfish is a common English name for the spiny dogfish (Squalus acanthias), a small shark species found in temperate coastal waters of the Atlantic and Pacific Oceans. It is one of the most abundant shark species and is characterized by the presence of a venomous spine in front of each of its two dorsal fins. The species has one of the longest gestation periods of any vertebrate, lasting approximately 18 to 24 months, and was originally described by Carl Linnaeus in the 1758 tenth edition of Systema Naturae. It is commercially fished in several regions.
help Picked dogfish FAQ
What is a picked dogfish?
The picked dogfish is another common name for the spiny dogfish, scientifically known as Squalus acanthias. The name refers to the sharp, venom-tipped spines located on the front of its two dorsal fins.
When was the picked dogfish first classified?
The picked dogfish was officially described by the Swedish botanist Carl Linnaeus in 1758. It was included in the 10th edition of his Systema Naturae, which established the modern system of binomial nomenclature.
Where can you find picked dogfish?
Squalus acanthias is a highly migratory species found in temperate and subarctic waters around the world. They typically inhabit coastal waters and the continental shelf, often preferring colder seas.
How long do picked dogfish live?
These sharks are incredibly long-lived, with lifespans often reaching 25 to 100 years depending on their environment. However, their exceptionally long gestation period of up to 24 months means their populations take a long time to recover from overfishing.
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