Scomber japonicus, Chub mackerel : fisheries, aquaculture, gamefish, bait

Scomber japonicus Houttuyn, 1782

Chub mackerel
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Scomber japonicus   AquaMaps   Data sources: GBIF OBIS
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Scomber japonicus
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Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Scomber: Greek, skombros = tunny or mackerel, 1623 (Ref. 45335);  japonicus: Named after Japan, its type locality (Ref. 6885).

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

; marino; oceanodromo (Ref. 51243); distribuzione batimetrica 0 - 300 m (Ref. 168), usually 50 - 200 m (Ref. 35185). Subtropical; 10°C - 27°C (Ref. 35185); 60°N - 48°S, 116°E - 70°W

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Indo-Pacific: anti-tropical, absent from the Indian Ocean except for South Africa, KZN to Western Cape (58304).

Reports from Atlantic incl. Mediterranean are Scomber colias, and from Red Sea and northern Indian Ocean are Scomber australasicus (Ref. 27328).

Length at first maturity / Size / Peso / Age

Maturity: Lm 26.1  range ? - ? cm
Max length : 64.0 cm TL maschio/sesso non determinato; (Ref. 9015); common length : 30.0 cm FL maschio/sesso non determinato; (Ref. 168); peso massimo pubblicato: 2.9 kg (Ref. 26550); Età massima riportata: 18 anni (Ref. 35185)

Short description Morfologia | Morfometria

Spine dorsali (totale): 9 - 11; Raggi dorsali molli (totale): 112; Spine anali 1; Raggi anali molli: 12 - 14; Vertebre: 31. Interpelvic process small and single. No well developed corselet. Swim bladder present. First haemal spine posterior to first interneural process; 12 to 15 interneural bones under first dorsal fin. Anal fin spine conspicuous, clearly separated from anal rays but joined to them by a membrane. Back with narrow stripes which zigzag and undulate. Belly unmarked (Pacific population) or with wavy lines (Atlantic pop.) (Ref. 168). Caudal peduncle with 5 finlets on the upper and lower edge. Distance between dorsal fins shorter than or equal to the first dorsal fin base (Ref. 35388).

Biologia     Glossario (es. epibenthic)

A coastal pelagic species, to a lesser extent epipelagic to mesopelagic over the continental slope (Ref. 168). Schooling by size is well developed and initiates at approximately 3 cm (Ref. 168); may also form schools with Sarda chiliensis, Trachurus symmetricus and Sardinops sagax (Ref. 9340). Adults stay near the bottom during the day; go up to the open water at night, (Ref. 5377) where they feed on copepods and other crustaceans, fishes and squids (Ref. 168). They spawn in batches (Ref. 51846). Eggs and larvae are pelagic (Ref. 6769). In Asian waters, they move to deeper water and remain inactive during the winter season (Ref. 4576). Commercially cultured in Japan. Marketed fresh, frozen, smoked, salted and occasionally canned (Ref. 9684). Eaten fried, broiled and baked (Ref. 9988). Used in Chinese medicine (Ref. 12166).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Spawning most often occurs at water temperatures of 15° to 20°C. Spawn in several batches with 250 to 300 eggs per g of fish with the total number of eggs per female ranging from 100,000 to 400,000.

Main reference Upload your references | Bibliografia | Coordinatore : Collette, Bruce B. | Collaboratori

Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)

IUCN Red List Status (Ref. 125652)

  Least Concern (LC) ; Date assessed: 04 December 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesca: elevato interesse commerciale; Acquacoltura: commerciale; Pesce da pesca sportiva: si; esca: usually
FAO - pesca: landings, species profile; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 123201): 9.3 - 27.7, mean 20.7 °C (based on 1526 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00678 - 0.00849), b=3.05 (3.02 - 3.08), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  3.4   ±0.1 se; based on diet studies.
Generation time: 3.6 (3.1 - 5.0) years. Estimated as median ln(3)/K based on 24 growth studies.
Resilienza (Ref. 120179):  Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (K=0.12-0.22; tm=2-3; tmax=18).
Prior r = 0.48, 95% CL = 0.32 - 0.73, Based on 3 stock assessments.
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (31 of 100).
Climate Vulnerability (Ref. 125649):  Low vulnerability (24 of 100).
Price category (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 43.1 [14.7, 139.6] mg/100g ; Iron = 2.62 [1.07, 6.35] mg/100g ; Protein = 20.6 [19.8, 21.5] % ; Omega3 = 0.397 [0.273, 0.574] g/100g ; Selenium = 93.7 [41.3, 218.6] μg/100g ; VitaminA = 11.6 [2.6, 51.2] μg/100g ; Zinc = 1.01 [0.59, 1.67] mg/100g (wet weight); based on nutrient studies.