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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlinae
Etymology: Mazarunia: Taken from river Mazaruni; local habitat of this fish (Ref. 45335); mazarunii: Named after the river Mazaruni, where the type series was collected.
Eponymy: This is a toponym referring to the Mazaruni river system in Guyana. This is a toponym referring to the Mazaruni river system in Guyana. (Ref. 128868), visit book page.
More on author: Kullander.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk; pH range: 5.8 - 7.2; dH range: ? - 8. Tropical; 20°C - 30°C (Ref. 13614)
South America: Essequibo River drainage, in the upper Mazaruni River near Kamarang, Guyana.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 5.3 cm SL hane/ej könsbestämd; (Ref. 26742)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 17; Mjukstrålar i ryggfenan (totalt) : 7 - 8; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 8; Ryggkotor: 26. Distinguished from all other cichlids by its color pattern and its short, low vertical fins. Presence of a series of 8 dark vertical markings, the anteriormost through the eye, the fourth from anteriormost bearing a large midlateral blotch; the fins are immaculate (Ref. 26742).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Both parents tend the clutch. Larvae are often deposited in little holes in the roots.
Kullander, S.O., 1990. Mazarunia mazarunii (Teleostei: Cichlidae), a new genus and species from Guyana, South America. Ichthyol. Explor. Freshwat. 1(1):3-14. (Ref. 26742)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02951 (0.01298 - 0.06710), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.1 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (tm<1). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |