Sepia cultrata

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
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Sepiida
Family: Sepiidae
Genus: Sepia
Subgenus: Rhombosepion
Species:
S. cultrata
Binomial name
Sepia cultrata
Hoyle, 1885

Description

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

Its Australian distribution includes waters of Queensland, New South Wales, Victoria, Tasmania, South Australia and Western Australia.[2]

Habitat and ecology

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

The type specimen was collected in Twofold Bay, New South Wales and was described by William Evans Hoyle in 1885.[3]

References
  1. 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 8 February 2020.
  2. "Knifebone cuttlefish – Sepia cultrata Hoyle, 1885 - Australian Museum". australianmuseum.net.au. Retrieved 2018-10-21.
  3. "WoRMS - World Register of Marine Species - Sepia cultrata Hoyle, 1885". www.marinespecies.org. Retrieved 2018-10-21.
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