Sepia irvingi is a species of cuttlefish native to the southeastern Indian Ocean, specifically western Australia, from Cockburn Sound to North West Shelf (18°49′S 118°29′E / 18.817°S 118.483°E). It lives at a depth of between 130 and 170 m. S. irvingi grows to a mantle length of 100 mm.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0