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💧 Freshwater 🌡️ Tropical

Chiumbe grunter

Parauchenoglanis chiumbeensis Sithole, Vreven, Bragança, Musschoot & Chakona, 2024
Max Length
14.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
16.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Chiumbe grunter (Parauchenoglanis chiumbeensis) is a ray-finned fish of the family Claroteidae. It inhabits freshwater waters. This species can reach a maximum total length of 14.3 cm. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Parauchenoglanis chiumbeensis
Authority
Sithole, Vreven, Bragança, Musschoot & Chakona, 2024
Habitat
Freshwater
Climate
Tropical
Max Length
14.3 cm
Trophic Level
3.5
Resilience
High
Vulnerability
16.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 7; Anal soft rays: 8 - 10; Vertebrae: 36 - 37. This species is distinguished from its congeners ahli, altipinnis, balayi, buettikoferi, longiceps, monkei, pantherinus, punctatus by a broad humeral process (vs. pointed humeral process); differs further from altipinnis, balayi, pantherinus, punctatus by its coarse skin (vs. smooth); differs from zebratus by its humeral process clearly visible through the skin and anterior margin of the pectoral-fin spine mostly smooth (vs. humeral process embedded under the skin and anterior margin of the pectoral-fin spine mostly serrated); differs from stiassnyae by its truncated caudal fin (vs. rounded), dorsolaterally positioned eyes (vs. dorsally positioned), and the presence of regularly spaced vertical rows of spots on the flank (vs. irregularly spaced blotches); differs from ngamensis, lueleensis, poikilos, ernstswartzi, megalasma by the absence of background spots (vs. present in ngamensis, lueleensis, poikilos, or vermiculated pattern in ernstswartzi, or blotches in megalasma); differs further from lueleensis, poikilos, ernstswartzi, megalasma by the relative long interdorsal-adipose distance, 6.3%-12.7% SL (vs. narrow interdorsal-adipose distance, 3.7%-6.8% SL in lueleensis, 5.5%-5.8% SL in poikilos, 3.8%-5.0% SL in ernstswartzi, and 3.9%-4.8% SL in megalasma); differs further from ernstswartzi, megalasma by its vertical rows of spots (vs. vertical rows of blotches in ernstswartzi, megalasma); differs from luendaensis by its faintly spotted fins (vs. unspotted); differs further from poikilos by its shorter prepectoral fin length, 26.7%-29.5% SL (vs. longer, 30.6%-31.4% SL); differs further from poikilos, megalasma by having a shorter adipose fin, 26.0%-34.9% SL (vs. longer, 36.0%-36.6% SL in poikilos and 35.6%-36.9% SL in megalasma); differs further from dolichorhinus by its deeper body, 14.8%-21.3% SL (vs. shallow, 11.6%-14.0% SL) .Cross section: oval.

🌀 Behaviour

Behavioural data for Chiumbe grunter is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.09 (TL)
Max TL
14.3cm
Dorsal Rays
7
Anal Rays
9
Vertebrae
37

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
16.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Sithole, Vreven, Bragança, Musschoot & Chakona, 2024

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