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Scombriformes (Mackerels) >
Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Scomberomorus: Latin, scomber = mackerel + Greek, moros = silly, stupid (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-neritic; havsvandrande (Ref. 51243); djupintervall 50 - 200 m. Subtropical; 1°S - 37°S, 23°E - 59°E (Ref. 168)
Western Indian Ocean: Seychelles, Kenya and Zanzibar to South Africa and along the west coast of Madagascar. This species has been confused with Scomberomorus lineolatus and with Scomberomorus guttatus (and also one of its junior synonyms Scomberomorus leopardus).
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?, range 80 - ? cm
Max length : 120 cm FL hane/ej könsbestämd; (Ref. 168); publicerad maxvikt: 12.5 kg (Ref. 40637)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 15 - 17; Mjukstrålar i ryggfenan (totalt) : 19 - 21; Mjukstrålar i analfenan: 19 - 22; Ryggkotor: 45 - 46. Interpelvic process small and bifid. Body covered with small scales. Lateral line without auxiliary branches anteriorly, gradually curving down toward caudal peduncle. Intestine with 2 folds and 3 limbs. Juveniles have spots but develop adult pattern of interrupted lines by the time they reach 40 cm.
Body shape (shape guide): fusiform / normal; Cross section: oval.
Neritic species (Ref. 5313). Forms large schools in the Zanzibar Channel from March to September. Feeds mainly on anchovies (Anchoviella sp.), clupeids (Amblygaster sp., Sardinella fimbriata, Sardinella perforata [= Sardinella albella), other small fishes, squids, and mantis shrimps.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; sportfisk: ja
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 20.4 - 25.4, mean 21.8 °C (based on 19 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00427 - 0.01698), b=3.02 (2.86 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.2 ±0.77 se; based on food items.
Generation time: 1.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.59; tm>1).
Sårbarhet i fisket (Ref.
59153): Moderate vulnerability (39 of 100).
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Näringsämnen (Ref.
124155): Calcium = 20.3 [8.9, 71.4] mg/100g; Iron = 0.893 [0.392, 2.210] mg/100g; Protein = 21.3 [20.0, 22.6] %; Omega3 = 0.411 [0.259, 0.665] g/100g; Selenium = 36.9 [13.0, 113.7] μg/100g; VitaminA = 9.34 [2.03, 46.45] μg/100g; Zinc = 0.419 [0.273, 0.700] mg/100g (wet weight);