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💧 Freshwater Near Threatened 🌡️ Tropical

Mazarunia Mazarunii

Mazarunia mazarunii Kullander, 1990
Max Length
5.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Mazarunia Mazarunii (Mazarunia mazarunii) is a ray-finned fish. It inhabits freshwater waters. This species can reach a maximum total length of 5.3 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Near Threatened on the IUCN Red List.

Scientific Name
Mazarunia mazarunii
Authority
Kullander, 1990
Habitat
Freshwater
Climate
Tropical
IUCN Status
NT
Max Length
5.3 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Water Temp
20–30 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Mazarunia
Mazarunia
Species
Mazarunia Mazarunii
Mazarunia mazarunii

🐟 Physical Description

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 .

🌀 Behaviour

Behavioural data for Mazarunia Mazarunii is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Both parents tend the clutch. Larvae are often deposited in little holes in the roots.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 5.8 - 7.2; dH range: ? - 8. Tropical; 20°C - 30°C South America: Essequibo River drainage, in the upper Mazaruni River near Kamarang, Guyana.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.02951 × L3.03 (TL)
Max TL
5.3cm
Dorsal Spines
17
Dorsal Rays
8
Anal Spines
3
Anal Rays
8
Vertebrae
26

🌡️ Water Parameters & Tolerance

Temperature Range
20–30°C
pH Range
5.8–7.2
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Kullander, 1990

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