The Spurdog (Squalus acanthias) can grow to 130cm.
Identification[]
The upper body is dark grey or black and white spots are usually present. The under-side is white. There are spines in front of both dorsal fins.
Breeding[]
Aplacentally viviparous (live bearing). Litter size between 1-20 pups which are 20-30cm at birth. Females mature at 70-100cm. Males mature at 55-60cm.
Habitat[]
Found within the upper layers down to depths of 900m. Mostly a mid-water and bottom schooling shark.
Food[]
Fish eater (Herring, Sprats, Pilchards, Garfish, Sand eels, Flatfish and Cod species) although known to take crustaceans and cephalopods (Squid).
Range[]
Both and inshore and offshore species preferring a temperature range of between 7 to 150C.
Additional Notes: Known to live longer than 40 years.
References[]
The Aquarium Project