Litteratur

1. Compagno, L.J.V., 1984. FAO species catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249.

2. Cailliet, G.M., A.H. Andrews, E.J. Burton, D.L. Watters, D.E. Kline and L.A. Ferry-Graham, 2001. Age determination and validation studies of marine fishes: do deep-dwellers live longer? Exp. Geront. 36:739-764.

3. Muus, B.J. and J.G. Nielsen, 1999. Sea fish. Scandinavian Fishing Year Book, Hedehusene, Denmark. 340 p

4. Muus, B. J. (1969). Våre saltvannsfisker. Oslo: Ernst G. Mortensens Forlag. ISBN: 82-527-0271-6

5. Bianchi, G., K.E. Carpenter, J.-P. Roux, F.J. Molloy, D. Boyer and H.J. Boyer, 1999. Field guide to the living marine resources of Namibia. FAO species identification guide for fishery purposes. Rome, FAO. 265 p., 11 colour plates.

6. IUCN: http://www.iucnredlist.org/details/39326

7. Statistisk sentralbyrå: http://www.ssb.no/emner/10/05/nos_fiskeri/nos_d394/tab/tab-10.html

8: Florida Museum for Naturhistorie http://www.flmnh.ufl.edu/fish/Gallery/Descript/Spinydogfish/SpinyDogfish.html