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Trachurus japonicus  (Temminck & Schlegel, 1844)

Japanese jack mackerel
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Native range | All suitable habitat | Point map | Year 2100
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Trachurus japonicus   AquaMaps   Data sources: GBIF OBIS
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Image of Trachurus japonicus (Japanese jack mackerel)
Trachurus japonicus
Picture by Shao, K.T.


Japan country information

Common names: Ma-aji
Occurrence: native
Salinity: marine
Abundance: scarce (very unlikely) | Ref: Sokolovskaya, T.G., A.S. Sokolovskii and E.I. Sobolevskii, 1998
Importance: commercial | Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
Aquaculture: commercial | Ref: FAO Fishery Information, Data and Statistics Service, 1993
Regulations: | Ref:
Uses: no uses
Comments: Occurs in southern Japan (Ref. 559) (including Shirahama (Ref. 37690)), and off Ishima Island, Tokushima Prefecture (Ref. 38029). Also Ref. 11230, 50311.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: https://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Carangidae (Jacks and pompanos) > Caranginae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Main reference

Size / Weight / Age

Max length : 50.0 cm TL male/unsexed; (Ref. 56557); common length : 35.0 cm TL male/unsexed; (Ref. 56557); max. published weight: 660.00 g (Ref. 40637); max. reported age: 12 years (Ref. 56557)

Length at first maturity
Lm ?, range 18 - 20 cm

Environment

Marine; pelagic-neritic; oceanodromous (Ref. 51243); depth range 0 - 275 m (Ref. 54927), usually 50 - 275 m (Ref. 54927)

Climate / Range

Tropical, preferred 18°C (Ref. 107945); 46°N - 29°N, 129°E - 148°E (Ref. 54927)

Distribution

Northwest Pacific: southern Japan, Korean Peninsula to the East China Sea. Pacific Ocean off the coast of southeast Asia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 9; Dorsal soft rays (total): 30-35; Anal spines: 3; Anal soft rays: 26 - 30; Vertebrae: 24. Species with no finlets and the entire lateral line with scutes (69-73) (Ref. 41299).

Biology     Glossary (e.g. epibenthic)

Adults occur on continental waters (Ref. 41299). Pelagic (Ref. 52947). Juveniles associate with drifting seaweed (Ref. 12114, 12115).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: highly commercial; aquaculture: commercial

More information

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
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Stamps, Coins
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Ciguatera
Speed
Swim. type
Gill area
Otoliths
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Tools

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Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.4   ±0.45 se; Based on food items.

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.14-0.38; tmax=6)

Vulnerability (Ref. 59153)
High vulnerability (57 of 100)
Price category (Ref. 80766)
High