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Description |
Geographic Range [top]
Range Description: The Big-eyed Bobtail Squid (Austrorossia bipapillata) has a geographic distribution that ranges from southern Japan, through the East China Sea to Taiwan, Province of China and the Philippines (Reid and Jereb 2005). Its depth distribution ranges to 240 m (Japan) and 432 m (East China Sea) (Reid and Jereb 2005).
Countries occurrence:
Native:
Japan (Honshu, Kyushu, Nansei-shoto, Shikoku); Philippines; Taiwan, Province of China (Taiwan, Province of China (main island))
FAO Marine Fishing Areas:
Native:
Pacific – northwest; Pacific – western central
Additional data:
? Lower depth limit (metres): 432
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: This species occurs in deep water (to 432 m in depth) and attains a mantle length of up to 57 mm (Reid and Jereb 2005). In females the ovarian oocytes develop in small clusters with eggs being spawned intermittently over a long period (Reid and Jereb 2005). Members of the subfamily Rossiinae are bottom living species that typically bury in soft sediments during the day, and emerge at night to feed (Norman 2003).
Systems: Marine
Use and Trade [top]
Use and Trade: This species is of minor interest to fisheries but is marketed when taken as bycatch (Reid and Jereb 2005).
Threats [top]
Major Threat(s): This species is of minor interest to fisheries but is marketed when taken as bycatch (Reid and Jereb 2005).
Conservation Actions [top]
Conservation Actions: There are no conservation measures in place, but currently there is no evidence that specific conservation measures are required.
Citation: Barratt, I. & Allcock, L. 2012. Austrorossia bipapillata. The IUCN Red List of Threatened Species 2012: e.T162518A907876. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T162518A907876.en. Downloaded on 14 December 2018.
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