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Scomber japonicus  Houttuyn, 1782

Chub mackerel
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Image of Scomber japonicus (Chub mackerel)
Scomber japonicus
Picture by Busse, K.

Philippines country information

Common names: Ababangon, Aguma-a, Aguma-a
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref:
Aquaculture: commercial | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Recorded from Estancia, Iloilo (Ref. 115926). Also Ref. 12744.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Collette, B.B. and C.E. Nauen, 1983
National Database:

Common names from other countries

Pacific chub mackerel, Atlantic chub mackerel, Maquereau espagnol atlantique, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > 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 Ecology

Marine; pelagic-neritic; oceanodromous (Ref. 51243); depth range 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

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | 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 / Weight / Age

Maturity: Lm 26.1  range ? - ? cm
Max length : 64.0 cm TL male/unsexed; (Ref. 9015); common length : 30.0 cm FL male/unsexed; (Ref. 168); max. published weight: 2.9 kg (Ref. 26550); max. reported age: 18 years (Ref. 35185)

Short description Morphology | Morphometrics

Dorsal spines (total): 9 - 11; Dorsal soft rays (total): 112; Anal spines: 1; Anal soft rays: 12 - 14; Vertebrae: 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).

Biology     Glossary (e.g. 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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 | References | Coordinator : Collette, Bruce B. | Collaborators

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. 115185)

  Least Concern (LC) 

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: highly commercial; aquaculture: commercial; gamefish: yes; bait: usually
FAO(fisheries: production, species profile; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | GoMexSI (interaction data) | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | OsteoBase(skull, spine) | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | RFE Identification | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 9.3 - 27.7, mean 20.7 (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 (0.00673 - 0.00855), b=3.06 (3.03 - 3.09), 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.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.12-0.22; tm=2-3; tmax=18).
Prior r = 0.6, 2 SD range = 0.31 - 1.17, log(r) = -0.51, SD log(r) = 0.33, Based on: 2 M, 23 K, 3 tgen, 5 tmax, 8 Fec records
Vulnerability (Ref. 59153):  Low to moderate vulnerability (31 of 100) .
Price category (Ref. 80766):   High.