Teleostei (teleosts) >
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.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; 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.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 5.3 cm SL male/unsexed; (Ref. 26742)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 17; Dorsal soft rays (total): 7 - 8; Anal spines: 3; Anal soft rays: 8; Vertebrae: 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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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