Sepiola knudseni is a species of bobtail squid native to the eastern Atlantic Ocean, specifically northwest and west Africa, from the Canary Islands to the Gulf of Guinea. It lives on the inner continental shelf. S. knudseni lives at depths of 32 to 90 m.Reid, A. & P. Jereb 2005. Family Sepiolidae. In: P. Jereb & C.F.E. Roper, eds. Cephalopods of the world. An annotated and illustrated catalogue of species known to date. Volume 1. Chambered nautiluses and sepioids (Nautilidae, Sepiidae, Sepiolidae, Sepiadariidae, Idiosepiidae and Spirulidae). FAO Species Catalogue for Fishery Purposes. No. 4, Vol. 1. Rome, FAO. pp. 153–203.
