Litteratur

1. Nielsen, L. (2004). Fisk i farver (1. utg). København: Politikens Forlag A/S

2. IUCN: http://www.redlist.org/details/10030

3. 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.