What is "squalus acanthias"

Dogfish \Dog"fish`\, n. (Zo["o]l.)

1. A small shark, of many species, of the genera Mustelus, Scyllium, Spinax, etc.

   Note: The European spotted dogfishes ( Scyllium catudus, and Scyllium canicula) are very abundant; the American smooth, or blue dogfish is Mustelus canis; the common picked, or horned dogfish ( Squalus acanthias) abundant on both sides of the Atlantic.

2. The bowfin ( Amia calva). See Bowfin.

3. The burbot of Lake Erie.