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Ovalentaria/misc (Various families in series Ovalentaria) >
Polycentridae (Leaffishes)
Etymology: Polycentrus: Greek, poly = a lot of + Greek, kentron = sting (Ref. 45335).
Eponymy: Sir Robert Hermann Schomburgk (1804–1865) was a German businessman who was asked to supervise transporting Saxon sheep to Virginia, USA (1828), where he stayed. [...] (Ref. 128868), visit book page.
More on authors: Müller & Troschel.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bentopelagisk; pH range: 6.0 - 7.0; dH range: 18 - 20. Tropical; 22°C - 26°C (Ref. 13371)
South America: Trinidad (W.I.), and Atlantic coastal rivers of Venezuela, Guyana, Suriname, French Guiana and Brazil (state of Amapá).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 5.5 cm SL hane/ej könsbestämd; (Ref. 50082)
Inhabits clear and turbid water, often brackish water (Ref. 11225). Feeds on worms, insects and fish (Ref. 7020).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Produces up to 600 eggs.
Britz, R. and S.O. Kullander, 2002. Polycentridae (Leaffishes). p. 603-604. 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. 50082)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7812 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02042 (0.00788 - 0.05291), b=3.02 (2.79 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.49 se; based on food items. |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Fec=600.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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