Interesting fact: The spiny dogfish is one of the most abundant shark species and is known for its distinctive spines in front of its dorsal fins.
The answer: An adult spiny dogfish typically weighs between 7 and 14 kilograms (15 to 31 pounds).
Spiny dogfish sharks inhabit temperate and subarctic oceans worldwide. They usually grow up to 1.2 meters (4 feet) in length. Their spines contain mild venom used for defense. Despite their small size compared to other sharks, they are resilient and have a long lifespan.
