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💧 Freshwater Data Deficient 🌡️ Tropical

Parakneria Thysi

Parakneria thysi Poll, 1965
Max Length
5.1 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Parakneria Thysi (Parakneria thysi), first described by Poll, 1965 is a small fish in the family Kneriidae (order Gonorynchiformes). Adults typically reach 5.10 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Parakneria thysi
Authority
Poll, 1965
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
5.1 cm
Vulnerability
10.00/100
Water Temp
18–22 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 11; Anal spines: 0; Anal soft rays: 9; Vertebrae: 39. Diagnosis: body depth 6.4-7.1 times in SL; head length 3.8-4.3 times in SL; snout rounded, its length 2.5-2.9 times in HL; eye superolateral, its diameter 5.1-5.5 times in HL, 1.4-1.7 times in interorbital distance, 1.8-2.1 times in snout length; dorsal fin origin about 1.1 times further from snout tip than from caudal fin origin; anal fin origin 1.4-1.6 times further from pelvic fin origin than from caudal fin origin; pectoral fin large, its length 4.9-5.4 times in SL, 0.7-0.9 times length of head; pelvic fin 6.4-7.1 times in SL, 1.5-1.7 times in HL; caudal peduncle 1.7-1.9 times as long as deep . : elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Parakneria Thysi 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; 18°C - 22°C endemic to the Lufira (upper Lualaba basin) in Democratic Republic of the Congo (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
5.1cm
Dorsal Rays
11
Anal Rays
9
Vertebrae
39

🌡️ Water Parameters & Tolerance

Temperature Range
18–22°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2009

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Poll, 1965

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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