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Spiny dogfish   (Squalus acanthias)
Category: Fish



This common species is one of the most familiar species of the Squalidae family. It is found nearly worldwide and tends to inhabit shallow, temperate waters. It is a commercially valuable species and is a popular food in many parts of the world. Dogfish and their byproducts are also used for fertilizer, liver oil, dissection specimens, and pet food – unfortunately, this popularity has led to major declines in dogfish population due to unsustainable fishing practices.


Data & Facts

Scientific Classification
Kingdom - Animalia
Phylum - Chordata
Class - Chondrichthyes
Order - Squaliformes
Family - Squalidae
Genus - Squalus
Species - S. acanthias

Did you know?
Interesting Animal Facts

The Oldest Fish in the Sea?

The Greenland Sleeper Shark, the only living species of sub-Arctic shark, is an apex predator only slightly smaller than the great white shark, with an estimated lifespan of 200 years - one of the longest-living vertebrates on the planet. While the Greenland Shark is a slow swimmer, it will eat just about anything: eels, flounders, other sharks, seals - and those are just animals who live in the water! Polar bear remains and even an entire reindeer body have been found inside these sharks! Fortunately, while there are Inuit legends of Greenland sharks attacking kayaks, there have been no reports of human predation. There have been, however many cases of people eating Greenland sharks! Their meat is highly toxic - it will produce effects in your body similar to being extremely drunk, but a fermented version that has been hung out to dry for several weeks is considered a delicacy in Iceland.

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