Fast Facts

  • Classification
    Species
    cultrata
    Genus
    Sepia
    Family
    Sepiidae
    Order
    Sepiida
    Subclass
    Coleoidea
    Class
    Cephalopoda
    Phylum
    Mollusca
  • Size Range
    Up to 12cm mantle length

Identification

Sepia cultrata has a pale buff pinkish brown colouring. The club is crescent shaped with a flattened sucker bearing possessing 5 or 6 small suckers in transverse rows.

The cuttlebone of the knifebone cuttlefish is elongate oval; with a characteristic triangular pointed anterior end, while the posterior end is narrow. The dorsal surface is salmon coloured with a distinct narrow median rib and two faint lateral ribs.

Habitat

This is a deep water species with the majority of catches occurring at 300 to 500 m depth, although the species has been found between depths of 132 to 803 metres.

Distribution

The knifebone cuttlefish is found in the Southern Indo-Pacific and is distributed in southern Australian coastal waters from southern Queensland to Western Australia, including Tasmania.

References

  • Jereb, P., & C.F.E Roper (eds) (2005) Cephalopods of the World: Chambered Nautiluses and Sepioids, Food & Agriculture Organization of the United Nations Catalogue for Fishery Purposes, Rome, No. 4, Vol. 1
  • Lu, C.C (1998) A Synopsis of Sepiidae in Australian waters (Cephalopoda: Sepiodiea). In: Voss, N.A., Vecchione, M., Toll, R.B. & Sweeney, M.J (Eds) Systematics and Biogeography of Cephalopods. Smithsonian Institution Press, Washington DC, Vol. 586, 159-190.
  • Watson-Russell, C. (1983) Cuttlefish of Sydney Harbour, Australian Natural History, 20(5): 159-164.