Sepia aureomaculata grows to a mantle length of 160 mm.[3]
The type specimen was collected in Tosa Bay, Japan and is deposited at the National Science Museum of Japan in Tokyo.[4] Marine biota in Tosa Bay have been found to have relatively high concentrations of PCBs, DDT and a variety of organochlorine chemical pesticides, compared to similar biota in the Sulu Sea.[citation needed]
^ abReid, A., P. Jereb, & C.F.E. Roper 2005. Family Sepiidae. 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. 57–152.