Trachurus delagoa, African scad : fisheries, gamefish

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Trachurus delagoa Nekrasov, 1970

African scad
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Trachurus delagoa   AquaMaps   Data sources: GBIF OBIS
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Image of Trachurus delagoa (African scad)
Trachurus delagoa
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Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Carangiformes (Jacks) > Carangidae (Jacks and pompanos) > Caranginae
Etymology: Trachurus: Greek, trachys, -eia, -ys = rough + Greek, oura = tail (Ref. 45335).

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

marina bentopelagisk; djupintervall 0 - 400 m (Ref. 3197). Deep-water

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Western Indian Ocean: Mozambique and South Africa; also southern Madagascar and Walters Shoals.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL hane/ej könsbestämd; (Ref. 3287)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 9; Mjukstrålar i ryggfenan (totalt): 28-32; Taggstrålar i analfenan 3; Mjukstrålar i analfenan: 24 - 28. Dark blue above, silvery below; anal and pectoral fins pale yellow; caudal fin dark grey; pelvic fins white or hyaline; opercle with black spot (Ref. 3197).

Biologi     Ordlista (t.ex. epibenthic)

Adults are found in areas with sandy substrate. They migrate to the surface at night. They feed on fish and small crustaceans (Ref. 5213).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator : Smith-Vaniz, William F. | Medarbetare

Smith-Vaniz, W.F., 1986. Carangidae. p. 638-661. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3197)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 17 July 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: mindre kommeriell; sportfisk: ja
FAO - Publication: search | FishSource |

Ytterligare information

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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 13.3 - 25.4, mean 18.5 °C (based on 78 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00537 - 0.02237), b=2.97 (2.81 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.7   ±0.57 se; based on food items.
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (25 of 100).
Price category (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 102 [56, 277] mg/100g; Iron = 1.48 [0.57, 3.51] mg/100g; Protein = 17.6 [16.4, 18.9] %; Omega3 = 0.32 [0.15, 0.71] g/100g; Selenium = 15.5 [5.7, 39.4] μg/100g; VitaminA = 17.1 [2.5, 110.0] μg/100g; Zinc = 1.09 [0.68, 1.82] mg/100g (wet weight);