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💧 Freshwater 🌡️ Subtropical

Vanmanenia Duci

Vanmanenia duci Dang, Duong, Li, Nguyen & Tran, 2024
Max Length
5.4 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
-
Climate
Subtropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Vanmanenia Duci (Vanmanenia duci), first described by Dang, Duong, Li, Nguyen & Tran, 2024 is a small fish in the family Balitoridae (order Cypriniformes). Adults typically reach 5.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Vanmanenia duci
Authority
Dang, Duong, Li, Nguyen & Tran, 2024
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
5.4 cm
Trophic Level
2.7
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 7. This species is distinguished from its congeners by the following set of characters: pectoral fin rays I, 15; pelvic fin rays I, 8; lateral line scales 77-83; anus farther posterior insertion of pelvic fin than to anal fin origin, caudal peduncle depth approximately as caudal peduncle length (8.2%-8.5%); distance from pelvic fin to pectoral fin (39.1%) larger than distance from pelvic fin to anal fin (29.8%); broad midlateral black stripe stretching from behind head to caudal-peduncle base; black dotted stripe stretching from base of pectoral fin to posterior end of anal fin; lower lip with three large papillae; median wider than two lateral ones; rostral fold divided into three triangular lobules of same size; distinct black dot at base of pelvic and pectoral fins; fleshy black protrusion in pelvic fin base .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Vanmanenia Duci 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. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.7±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00646 × L3.11 (TL)
Max TL
5.4cm
Dorsal Rays
10
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Dang, Duong, Li, Nguyen & Tran, 2024

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