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: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://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:

Common names from other countries

Chinchard du Japon, Jurel japonés, Ставрида японская, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Carangiformes (Jacks) > Carangidae (Jacks and pompanos) > Caranginae
Etymology: Trachurus: Greek, trachys, -eia, -ys = rough + Greek, oura = tail (Ref. 45335).
More on authors: Temminck & Schlegel.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; pelagic-neritic; oceanodromous (Ref. 51243); depth range 0 - 275 m (Ref. 54927), usually 50 - 275 m (Ref. 54927). Tropical; 46°N - 13°N, 105°E - 148°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northwest Pacific: southern Japan, Korean Peninsula to the East China Sea. Pacific Ocean off the coast of southeast Asia.

Length at first maturity / Size / Weight / Age

Maturity: L_m 19.0, range 18 - 20 cm
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)

Short description Identification keys | Morphology | Morphometrics

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).

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

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator : Smith-Vaniz, William F. | Collaborators

Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)

IUCN Red List Status (Ref. 130435)

Near Threatened (NT) (A2bd); Date assessed: 20 July 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: highly commercial; aquaculture: commercial

FAO(Aquaculture systems: production; Fisheries: production, species profile; publication : search) | FishSource | Sea Around Us

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

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Internet sources

Estimates based on models

Preferred temperature (Ref. 115969): 1.8 - 22, mean 13.8 (based on 75 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01072 (0.00875 - 0.01312), b=2.97 (2.94 - 3.00), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.45 se; based on food items.

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.14-0.38; tmax=6).

Prior r = 0.55, 95% CL = 0.36 - 0.82, Based on 1 full stock assessment.

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (34 of 100).

Climate Vulnerability (Ref. 125649): Low vulnerability (20 of 100).

Price category (Ref. 80766): High.

Trachurus japonicus (Temminck & Schlegel, 1844)