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💧 Freshwater 🌡️ Tropical

Parauchenoglanis Stiassnyae

Parauchenoglanis stiassnyae Modimo, Bernt, Monsembula Iyaba, Mbimbi & Liyandja, 2024
Max Length
9.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

This species was collected in forested habitats over mud and plant debris in tributaries of the Mfimi River. The rivers where specimens were collected are characterized by a humic, moderately acidic (pH 4.1-5.3), dark-brown water with low conductivity (10–50 μS/1cm) , and low concentrations of dissolved solids (TDS: 10–30 mg/L). These parameters, combined with the species body colouration, suggest that this species is adapted to forested habitats, muddy, humic, and dark-brown waters of the Mfimi River tributaries .

Scientific Name
Parauchenoglanis stiassnyae
Authority
Modimo, Bernt, Monsembula Iyaba, Mbimbi & Liyandja, 2024
Habitat
Freshwater
Climate
Tropical
Max Length
9.1 cm
Trophic Level
3.4
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Vertebrae: 28 - 29. This species is distinguished from its congeners by the following characters: total vertebrae 28-29; pre-anal vertebrae 13-14; narrow supraoccipital process-nuchal plate interdistance 1.4-2.9% HL; wide orbital head width 64.7-76.2%; wide mouth 37.8-50.8% HL; wide premaxillary toothplate 12.9-18.6% HL; wide head, head width 70.1-81.1% HL; short dorsal-fin spine 10.8-16% SL); small orbital diameter 9.5-14.2% HL), wide interpectoral distance 16.7-21.4%; short adipose-fin–caudal-fin interdistance 2.7-5.2% SL); narrow interorbital distance 19.5-27.1% HL .Cross section: oval.

🌀 Behaviour

Behavioural data for Parauchenoglanis Stiassnyae is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.09 (TL)
Max TL
9.1cm
Vertebrae
29

🌡️ 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
3.4
Predator
Climate Zone
Tropical
Described By
Modimo, Bernt, Monsembula Iyaba, Mbimbi & Liyandja, 2024

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