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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Lonchurus: Greek, logche = lance + Greek, oura = tail (Ref. 45335).
More on author: Bloch.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande. Tropical
Western Atlantic: Colombia to the Amazon delta in Brazil including the Windward islands.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 30.0 cm TL hane/ej könsbestämd; (Ref. 3702); common length : 22.0 cm TL hane/ej könsbestämd; (Ref. 3702)
Taggstrålar i ryggfenan (totalt) : 10 - 12; Mjukstrålar i ryggfenan (totalt) : 37 - 39; Taggstrålar i analfenan: 2; Mjukstrålar i analfenan: 7 - 9. Body often brownish to yellowish, slightly darker above. All fins darkish, pectoral fins long and jet black. Base of pelvic and anal fins yellowish. Inside of gill cover dusky. Mouth large, but inferior, nearly horizontal. Chin with a pair of moderately long, slender barbels (longer than eye diameter). Pectoral fins very long, upper rays filamentous, extending to caudal peduncle. Pelvic fins with first soft ray filamentous, extending beyond anus. Gas bladder reduced in size, much shorter than head length; bearing anteriorly 1 pair of appendages, the first short and horn-like, the second long, tube-like, and directed backward (Ref 51721).
Found usually over sandy to muddy bottoms in coastal marine and brackish waters. Important food fish.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Chao, L.N., 1978. Sciaenidae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. West Atlantic (Fishing Area 31). Volume 4. FAO, Rome. (Ref. 3702)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell; bete: usually
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00575 (0.00277 - 0.01195), b=3.13 (2.95 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (25 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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