Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande. Tropical; 8°N - 3°S, 59°W - 43°W
South America: Guyana to Maranhão, Brazil.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 47.0 cm TL hane/ej könsbestämd; (Ref. 108869); common length : 30.0 cm TL hane/ej könsbestämd; (Ref. 3265)
Coastal, found chiefly in turbid waters of estuaries and around river mouths. Reproduction appears to be between September to November. Egg diameter is 14-15 mm, numbering about 30-35 per female. Males practice mouth brooding (Ref. 35381). Marketed fresh and salted; exported frozen (Ref. 5217).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Taylor, W.R. and N.A. Menezes, 1978. Ariidae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. West Atlantic (Fishing Area 31). volume 1. [pag. var.]. FAO, Rome. (Ref. 3265)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Traumatogenic (Ref. 58010)
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00589 (0.00385 - 0.00900), b=3.08 (2.95 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±0.48 se; based on food items. |
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Generation time |
4.8 ( 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 (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (40 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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Näringsämnen (Ref. 124155) |
Calcium = 138 [75, 277] mg/100g; Iron = 1.04 [0.67, 1.68] mg/100g; Protein = 16.8 [15.3, 18.6] %; Omega3 = 0.153 [0.087, 0.259] g/100g; Selenium = 48.8 [27.1, 95.0] μg/100g; VitaminA = 19.1 [9.3, 40.0] μg/100g; Zinc = 1.45 [1.02, 2.16] mg/100g (wet weight); |