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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Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | 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 Ecologie

; marien; oceanodroom (Ref. 51243); diepteverspreiding 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

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | 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 / Gewicht / Leeftijd

Maturity: Lm 26.1  range ? - ? cm
Max length : 64.0 cm TL mannelijk/geslacht niet bekend; (Ref. 9015); common length : 30.0 cm FL mannelijk/geslacht niet bekend; (Ref. 168); Maximaal gepubliceerd gewicht: 2.9 kg (Ref. 26550); Maximaal vermelde leeftijd: 18 jaren (Ref. 35185)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 9 - 11; Dorsale zachte stralen (totaal): 112; Anale stekels 1; Anale zachte stralen: 12 - 14; Wervels: 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).

Biologie     Verklarende woordenlijst (b.v. 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 Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

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.

Voornaamste referentie Upload your references | Referenties | Coördinator : Collette, Bruce B. | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 125652)

  Niet bedreigd (LC) ; Date assessed: 04 December 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





Gebruik door de mens

Visserij: van groot commercieel belang; Aquacultuur: commercieel; vis voor de hengelsport: ja; aas: usually
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Estimates based on models

Preferred temperature (Ref. 115969): 9.3 - 27.7, mean 20.7 °C (based on 1526 cells).
Phylogenetic diversity index (Ref. 82805):  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.
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (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) .
Prijsklasse (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.