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💧 Freshwater 🌡️ Tropical

Spotted grunter

Parauchenoglanis poikilos Sithole, Vreven, Bragança, Musschoot & Chakona, 2024
Max Length
5.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Spotted grunter (Parauchenoglanis poikilos) is a ray-finned fish of the family Claroteidae. It inhabits freshwater waters. This species can reach a maximum total length of 5.7 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Parauchenoglanis poikilos
Authority
Sithole, Vreven, Bragança, Musschoot & Chakona, 2024
Habitat
Freshwater
Climate
Tropical
Max Length
5.7 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 7; Anal soft rays: 10; Vertebrae: 36. This species is distinguished from its congeners ahli, altipinnis, balayi, buettikoferi, longiceps, monkei, pantherinus, punctatus by having a broad humeral process (vs. pointed humeral process); further differs from altipinnis, balayi, pantherinus, punctatus by the coarse skin (vs. smooth skin); differs from buettikoferi, monkei by the anterior margin of the pectoral-fin spine mostly smooth (vs. serrated from base to tip); differs from zebratus by 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 dorsolaterally positioned eyes (vs. dorsally) and spotted fins (vs. unspotted pectoral, pelvic and anal fin); differs from patersoni, dolichorhinus, luendaensis, chiumbeensis by having black background spots in between the darker spots constituting the vertical rows (vs. absent); differs further from luendaensis by the spotted head and fins (vs. unspotted); differs from ernstswartzi, megalasma by the body with vertical rows of spots (vs. vertical rows of blotches) and bluntly triangular snout (vs. round snout in ernstswartzi or partly round snout in megalasma); further differs ernstswartzi by lower body depth, 16.0%-16.2% SL (vs. deeper, 18.2%-19.9% SL); differs from dolichorhinus by deeper body, 16.0%-16.2% SL (vs. shallow, 11.6%-14.0% SL); differs from lueleensis by scattered black spots in between vertical rows (vs. one or two spots in between vertical rows) and spotted mandibular barbels (vs. unspotted) .Cross section: oval.

🌀 Behaviour

Behavioural data for Spotted 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
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.09 (TL)
Max TL
5.7cm
Dorsal Rays
7
Anal Rays
10
Vertebrae
36

🌡️ 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
3.3
Predator
Climate Zone
Tropical
Described By
Sithole, Vreven, Bragança, Musschoot & Chakona, 2024

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