Sepia cultrata, commonly known as the knifebone cuttlefish or elongated cuttlefish, is a species of cuttlefish from the family Sepiidae endemic to the southern Indo-Pacific. It is a deepwater species found in subtropical and temperate Australian waters.[2]
| Sepia cultrata | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Sepiida |
| Family: | Sepiidae |
| Genus: | Sepia |
| Subgenus: | Rhombosepion |
| Species: | S. cultrata
|
| Binomial name | |
| Sepia cultrata Hoyle, 1885
| |
Description edit
Sepia cultrata has a pale buff pinkish brown colour. It has a crescent-shaped club with a flattened sucker bearing 5 or 6 small suckers in transverse rows. The cuttlebone is an elongate oval shape with triangular pointed anterior and narrow posterior ends. It has a salmon-coloured dorsal surface with ribbing: the median rib is distinct and narrow, flanked by two faint lateral ribs. Its mantle grows to a maximum size of 12 cm.[2]
Distribution edit
Its Australian distribution includes waters of Queensland, New South Wales, Victoria, Tasmania, South Australia and Western Australia.[2]
Habitat and ecology edit
The knifebone cuttlefish typically inhabits waters between 300 and 500 m deep. The species' known depth range extends from 132 to 803 m.[2]
Naming edit
The type specimen was collected in Twofold Bay, New South Wales and was described by William Evans Hoyle in 1885.[3]
References edit
- ^ Barratt, I.; Allcock, L. (2012). "Sepia cultrata". IUCN Red List of Threatened Species. 2012: e.T162618A930024. doi:10.2305/IUCN.UK.2012-1.RLTS.T162618A930024.en. Retrieved 20 November 2021.
- ^ a b c d "Knifebone cuttlefish – Sepia cultrata Hoyle, 1885 - Australian Museum". australianmuseum.net.au. Retrieved 2018-10-21.
- ^ "WoRMS - World Register of Marine Species - Sepia cultrata Hoyle, 1885". www.marinespecies.org. Retrieved 2018-10-21.