Overview

Distribution

Range Description

Sepia insignis occurs on the inner shelf off South Africa, from Cape Town to Natal (Reid et al. 2005).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species attains a mantle length of 60 mm (Reid et al. 2005).

Systems
  • Marine
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inner shelf
  • UNESCO-IOC Register of Marine Organisms
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Dispersal

Depth range

untill 42 m.
  • Jereb, P.; Roper, C.F.E. (Eds)(2005). An annotated an illustrated catalogue of cephalopod species known to date. Volume 1: Chambered nautilusses and sepioids (Nautilidae, Sepiidae, Sepiolidae, Sepiadariidae, Idiosepiidae and Spirulidae). FAO Species Catalogue for Fishery Purposes 4(1). FAO, Rome. 262p., 9 colour plates.
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Barratt, I. & Allcock, L.

Reviewer/s
Reid, A., Rogers, Alex & Bohm, M.

Contributor/s
Herdson, R. & Duncan, C.

Justification
Sepia insignis has been assessed as Data Deficient as almost nothing is known about this species. It lives on the inner shelf and has an apparently limited range distribution (endemic to South Africa) so is potentially vulnerable to anthropogenic influences. Further research is recommended before an accurate assessment can be made.
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Population

Population
The population size of this species is unknown.

Population Trend
Unknown
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Threats

Major Threats
Ocean acidification caused by increased levels of carbon dioxide in the atmosphere is potentially a threat to all cuttlefish. Studies have shown that under high pCO2 concentrations, cuttlefishes actually lay down a denser cuttlebone which is likely to negatively affect buoyancy regulation (Gutowska et al. 2010).
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Management

Conservation Actions

Conservation Actions
Basic research is required on this species to elucidate its distribution, population size, life history characteristics and threats impacting this species.
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Wikipedia

Sepia insignis

Sepia insignis is a species of cuttlefish native to the southwestern Indian Ocean, specifically South Africa, from the Cape of Good Hope to Natal. It lives at depths to 42 m.[1]

S. insignis grows to a mantle length of 60 mm.[1]

The type specimens, consisting solely of cuttlebones, were collected on Tongaat Beach, KwaZulu-Natal, South Africa (29°35′S 31°07′E / 29.583°S 31.117°E / -29.583; 31.117). They are deposited at The Natural History Museum in London.[2]

References[edit]

  1. ^ a b Reid, A., P. Jereb, & C.F.E. Roper 2005. Family Sepiidae. 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. 57–152.
  2. ^ Current Classification of Recent Cephalopoda
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