>
Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Genidens: Greek, geny, -yos = face, jaw + Latin, dens, dentis = teeth (Ref. 45335).
More on author: Lacepède.
Taxonomic Remarks
Synonymy follows Higuchi et al (1982).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande; havsvandrande (Ref. 51243); djupintervall 8 - 33 m (Ref. 121781). Subtropical; 4°S - 37°S, 61°W - 34°W
Southwest Atlantic: Atlantic coast from La Plata basin to eastern Brazil.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 41.5, range 22 - 73 cm
Max length : 120 cm TL hane/ej könsbestämd; (Ref. 39852); rapporterad maxålder: 36 år (Ref. 6428)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 1; Mjukstrålar i ryggfenan (totalt) : 7; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 14 - 15. Body dark blue dorsally, silvery white ventrally. Dorsal fin, adipose fin, soft ray of pectoral fin and maxillary barbel dark blue. Posterior margins of caudal and anal fins slightly blackish (Ref. 27363).
Body shape (shape guide): fusiform / normal.
Males carry the eggs in their mouth (Ref. 205). Depth range based on occurrence (Ref. 121781); to be replaced with a better reference.
Males carry the eggs in their mouth (Ref. 205).
Marceniuk, A.P. and C.J. Ferraris Jr., 2003. Ariidae (Sea catfishes). p. 447-455. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the freshwater fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 39852)
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 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00759 (0.00647 - 0.00890), b=3.07 (3.03 - 3.11), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.8 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (K=0.13; tmax=36; Fec=32). |
Sårbarhet i fisket (Ref. 59153) |
High to very high vulnerability (69 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
|
Näringsämnen (Ref. 124155) |
Calcium = 40.1 [22.4, 108.2] mg/100g; Iron = 0.883 [0.554, 1.532] mg/100g; Protein = 18.4 [16.7, 20.2] %; Omega3 = 0.342 [0.192, 0.634] g/100g; Selenium = 27.2 [14.9, 58.1] μg/100g; VitaminA = 8.03 [3.10, 20.50] μg/100g; Zinc = 0.683 [0.463, 1.031] mg/100g (wet weight); |