Where do spiny dogfish sharks live?

Spiny dogfish sharks (Squalus acanthias) are found in temperate and cold waters throughout the world's oceans.

Here's a more detailed breakdown of their habitat:

* North Atlantic Ocean: From Greenland and Iceland down to the Mediterranean Sea and Morocco.

* North Pacific Ocean: From Alaska and the Bering Sea to Japan and Korea.

* South Atlantic Ocean: From Argentina to South Africa.

* South Pacific Ocean: From Chile to New Zealand.

They are typically found in depths ranging from 20 to 800 meters, though they have been observed at depths up to 2,000 meters. They prefer bottom-dwelling habitats such as sandy, muddy, or rocky areas.