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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Eponymy: Dr Franz Hermann ‘Fritz’ Troschel (1810–1882) was a German zoologist, malacologist, herpetologist, and ichthyologist. [...] (Ref. 128868), visit book page.
More on author: Gill.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande. Tropical; 24°N -
Eastern Pacific: Mexico to Peru.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 70.6 cm TL hane/ej könsbestämd; (Ref. 86329); common length : 30.0 cm TL hane/ej könsbestämd; (Ref. 55763); publicerad maxvikt: 3.3 kg (Ref. 124487)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Body robust and depressed; snout prominent; mouth large; eyes medium sized (5.8 to 8.5 times in head length); cephalic plate granulated; with striations extending to the inter-orbital space; jaw teeth small, set in broad bands; palate with four plates of villiform teeth, the lateral ones being larger, triangular, and extended backwards; lower branch of the first gill arch with 7 to 10 gill rakers (Ref. 55763).
Body shape (shape guide): fusiform / normal.
Found in coastal waters (Ref. 9271). Possibly restricted to marine environments (Ref. 39852). Marketed fresh (Ref. 9271).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Kailola, P.J. and W.A. Bussing, 1995. Ariidae. Bagres marinos. p. 860-886. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9271)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Traumatogenic (Ref. 58010)
Mänskliga användningsområden
Fiskeri: kommersiell
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=0.00708 (0.00445 - 0.01127), b=3.09 (2.95 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
4.5 ±0.80 se; based on food items. |
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Generation time |
5.5 ( 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=0.20). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (45 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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