Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Cephalopoda Sepioloida Sepiidae

Scientific Name: Sepia bidhaia
Species Authority: Reid, 2000

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2009-03-23
Assessor(s): Barratt, I. & Allcock, L.
Reviewer(s): Reid, A., Rogers, Alex & Bohm, M.
Contributor(s): Herdson, R. & Duncan, C.
Sepia bidhaia has been assessed as Least Concern as although there are potential future threats associated with global warming there are no direct threats at this time and it occurs within a large Marine Protected Area.

Geographic Range [top]

Range Description: The geographic distribution of Sepia bidhaia ranges along the Great Barrier Reef, Queensland in Australia (Reid et al. 2005).
Countries occurrence:
Australia (Queensland)
FAO Marine Fishing Areas:
Pacific – western central
Lower depth limit (metres): 304
Upper depth limit (metres): 200
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population size of this species is unknown.
Current Population Trend: Unknown
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: Females appear to attain longer mantle lengths (57 mm) compared to males (37 mm) (Reid et al. 2005). This species has a fairly deep depth range of 200 to 304 m (Reid et al. 2005).
Systems: Marine

Use and Trade [top]

Use and Trade: This species is of no current interest to fisheries (Reid et al. 2005).

Threats [top]

Major Threat(s): 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).  This species is associated with the Great Barrier Reef. Although this is a World Heritage area, this habitat is under threat due to seawater warming and faces serious declines under current climate projections.

Conservation Actions [top]

Conservation Actions: The distribution of this species falls within the area designated as the Great Barrier Reef Marine Park. Further research is recommended regarding the population trends, life history traits and threats impacting this species.

Citation: Barratt, I. & Allcock, L. 2012. Sepia bidhaia. The IUCN Red List of Threatened Species 2012: e.T162652A937223. . Downloaded on 13 October 2015.
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