Spiny dogfish (Squalus acanthias)

Species information

Images

Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.uk

Glossary

By-catch: in the fishing industry, the part of the catch made up of non-target species.
Dorsal fin: the unpaired fins found on the back of the body of fish, or the raised structure on the back of most cetaceans.
Ovovivipary: method of reproduction whereby the egg shell is weakly formed and young hatch inside the mother; they are nourished by their yolk sac and then born.
Pectoral fins: in fish, the pair of fins that are found one on each side of the body just behind the gills. They are generally used for balancing and braking.