What is another word for spiny dogfish?
Pronunciation: [spˈa͡ɪni dˈɒɡfɪʃ] (IPA) 
The Spiny dogfish, also known as the spurdog, piked dogfish, or rock salmon, is a small species of shark found in cooler waters around the world. Its scientific name is Squalus acanthias, and it is known for its spiky, thorn-like dorsal fins. Its grey-brown coloration and sharp teeth make it a popular species for commercial and recreational fishing. Other synonyms for the spiny dogfish include Cape shark, grayfish, spotted dogfish, and vitri. Despite its many names, the spiny dogfish is often considered the most common and abundant species of shark in the world.
