Sepiadarium nipponianum

{{Short description|Species of cuttlefish}}

{{Speciesbox

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Barratt, I. |author2=Allcock, L. |date=2012 |title=Sepiadarium nipponianum |volume=2012 |page=e.T162530A910475 |doi=10.2305/IUCN.UK.2012-1.RLTS.T162530A910475.en |access-date=18 November 2021}}

| taxon = Sepiadarium nipponianum

| authority = Berry, 1932

| synonyms =

}}

Sepiadarium nipponianum is a species of cuttlefish native to the western Pacific Ocean; it occurs off the Japanese islands of Shikoku, Kyūshū, and southern Honshū.Reid, A. 2005. Family Sepiadariidae. 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. 204–207.

The type specimen was collected off Japan and is deposited at the National Museum of Natural History in Washington, D.C.{{cite web |title=Current Classification of Recent Cephalopoda |url=http://www.mnh.si.edu/cephs/newclass.pdf |website=www.mnh.si.edu}}