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💧 Freshwater 🌡️ Tropical

Pollimyrus Ibalazambai

Pollimyrus ibalazambai Dierickx, Lunkayilakio, Bills & Vreven, 2024
Max Length
7.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–1 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

The river is about 12 m wide and 60 cm deep, flowed at a speed of 0.3 m/s. The banks of the river were grassy, the canopy above the river covered about 10% of its surface only. Bottom of the river consisted mostly of sand with some mud, gravel, and pebbles. The following physicochemical parameters were collected at the type locality: water temperature about 22C, pH 7.6, salinity 0.1 ppm, and oxygen level of 7.3 mg/L .

Scientific Name
Pollimyrus ibalazambai
Authority
Dierickx, Lunkayilakio, Bills & Vreven, 2024
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
Max Length
7.9 cm
Depth Range
0–1 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 17 - 21; Anal soft rays: 25 - 28; Vertebrae: 38 - 41. This species is distinguished by the following characters: tail slender, 15.3%-19.2% BD; snout block-like; pectoral fin short; anal and dorsal fins concave; with small, widely spaced, symmetrical teeth with clear cusps; head short, 20.9%-22.8% SL; dorsal fin short, 20.4%-23.9% SL; anterior nostril placed higher than the posterior one .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Pollimyrus Ibalazambai is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic; depth range 0 - 1 m . Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01622 × L2.99 (TL)
Max TL
7.9cm
Dorsal Rays
19
Anal Rays
27
Vertebrae
40

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Dierickx, Lunkayilakio, Bills & Vreven, 2024

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