Taiwan country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from Tung-hsiao, Tai-chung and Lu-kang, western Taiwan (Ref. 43515). Reported from Penghu (Ref. 55073). Also Ref. 5193.
National Checklist: Taiwan
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database: The Fish Database of Taiwan

Classification / Names

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Galeorhininae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

قِرش كلب ياباني, 日本半皱唇鲨, Requin-hâ dochizame, ... more

Main reference

Compagno, L.J.V. 1984. (Ref. 244)
References | Biblio | Coordinator : Compagno, Leonard J.V. | Collaborators

Size / Weight / Age

Max length : 110 cm TL male/unsexed; (Ref. 244); 120.0 cm TL (female); max. reported age: 15 years (Ref. 9031)

Length at first maturity
L_m ?, range 81 - 102 cm

Environment

Marine; demersal; depth range 20 - 345 m (Ref. 86942)

Climate / Range

Subtropical, preferred ?; 40°N - 21°S, 119°E - 177°E

Distribution

Northwest Pacific: China, Taiwan, Korea, and Japan. Nominal records from Ambon, Indonesia (unconfirmed and based on a specimen close to if not identical to Hemitriakis abdita) and New Caledonia (Ref. 13563).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Occurs close inshore and offshore down to at least 100 m depth. Presumably feeds on small fishes, cephalopods and crustaceans. Ovoviviparous, with 8 to 22 young in a litter. Size at birth about 20 to 21 cm. Utilized for human consumption.

IUCN Red List Status (Ref. 115185)

Least Concern (LC)

Threat to humans

Harmless

Human uses

Fisheries: commercial

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance

References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion

Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD₅₀ = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.4 ±0.4 se; Based on diet studies.

Resilience (Ref. 69278)
Very Low, minimum population doubling time more than 14 years (Fec=8)

Vulnerability (Ref. 59153)
High vulnerability (62 of 100)

Price category (Ref. 80766)
High

Hemitriakis japanica (Müller & Henle, 1839)