Habitat and Ecology
Life history parameters
Age at maturity (years): Unknown.
Size at maturity (total/body length): ~65 to 70 cm TL (~30 to 35 cm BDL) (male & female).
Longevity (years): Unknown.
Maximum size (total/body length): 79 cm TL (37 cm BDL).
Size at birth (cm): Unknown.
Average reproductive age (years): Unknown.
Gestation time (months): Unknown.
Reproductive periodicity: Unknown.
Average annual fecundity or litter size: Unknown.
Annual rate of population increase: Unknown.
Natural mortality: Unknown.
Life History and Behavior
IUCN Red List Assessment
Red List Category
Red List Criteria
Fairly commonly landed in some fish markets in Taiwan (W. White, pers. comm.) and probably caught as bycatch in deepwater trawls elsewhere (for example in Suruga Bay, Japan). Landing of this species in Taiwan appears to be a more recent occurrence, suggesting that fishers are moving into deeper waters, probably as a result of the depletion of shallower water resources.
Potentially faces threat of habitat destruction and/or capture as bycatch should deepwater fishing efforts increase in the region.
The development and implementation of management plans (national and/or regional e.g., under the FAO International Plan of Action for the Conservation and Management of Sharks: IPOA-Sharks) are required to facilitate the conservation and management of all chondrichthyan species in the region.
Hydrolagus mitsukurii is a species of fish in the Chimaeridae family found in China, Japan, South Korea, the Philippines, Taiwan, and possibly Indonesia. Its natural habitat is open seas. It is threatened by habitat loss. It is one of several species commonly called spookfish.
- Dagit, D.D. 2005. Hydrolagus mitsukurii. 2006 IUCN Red List of Threatened Species. Downloaded on 3 August 2007.
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