Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; sötvatten; brackvatten bottenlevande; katadrom (Ref. 46888); djupintervall 2 - 15 m (Ref. 130217). Subtropical; 65°N - 12°N, 24°W - 36°E
Eastern Atlantic Ocean: from Iceland, the Faroe Islands, and southern Norway to the Cape Verde archipelago; the Azores archipelago appears to be the westernmost limit of its range; the Mediterranean and Black Sea basins.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 29.5  range ? - ? cm
Max length : 75.0 cm SL hane/ej könsbestämd; (Ref. 35388); common length : 32.0 cm SL hane/ej könsbestämd; (Ref. 7399); publicerad maxvikt: 4.5 kg (Ref. 35388); rapporterad maxålder: 25 år (Ref. 35388)
Taggstrålar i ryggfenan (totalt) : 5; Mjukstrålar i ryggfenan (totalt) : 7 - 9; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 8 - 9.
Body shape (shape guide): elongated.
Adults are found inshore in schools, frequently entering brackish lagoons and freshwater (Ref. 30578). They migrate occasionally tending to move northward in summer-time as temperatures rise. Females are larger than males (Ref. 59043). Adults feed mainly on benthic diatoms, epiphytic algae, small invertebrates and detritus (Ref. 2804), juveniles only feed on zooplankton (Ref. 59043). Oviparous (Ref. 205). Reproduction occurs in the sea during winter (Ref. 30578). Eggs and larvae pelagic. Utilized as a food fish (Ref. 4645).
Juveniles around 2.0 cm SL move to coastal lagoons and estuaries in April-June and return to sea in summer (Ref. 59043).
Thomson, J.M., 1986. Mugilidae. p. 344-349. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels, MRAC; Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3573)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; sportfisk: ja; Akvarium: Offentliga akvarier
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00561 - 0.00936), b=3.11 (3.03 - 3.19), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.6 ±0.32 se; based on food items. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (K=0.12-0.3; tm=3; tmax=25). |
Sårbarhet i fisket (Ref. 59153) |
High vulnerability (63 of 100). 🛈 |
Sårbarhet för klimatet (Ref. 125649) |
Moderate to high vulnerability (51 of 100). 🛈 |
Priskategori (Ref. 80766) |
Low.
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Näringsämnen (Ref. 124155) |
Calcium = 39.2 [10.7, 335.3] mg/100g; Iron = 0.623 [0.303, 1.151] mg/100g; Protein = 17.9 [16.5, 19.5] %; Omega3 = 0.399 [0.166, 0.964] g/100g; Selenium = 9.58 [3.60, 24.88] μg/100g; VitaminA = 7.52 [2.12, 24.93] μg/100g; Zinc = 0.571 [0.342, 0.951] mg/100g (wet weight); based on nutrient studies. |