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💧 Freshwater 🌡️ Subtropical

Oreonectes Daguishanensis

Oreonectes daguishanensis Chen, Leng, Yang, Tang, Qiu & Zou, 2025
Max Length
4.6 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Oreonectes Daguishanensis (Oreonectes daguishanensis), first described by Chen, Leng, Yang, Tang, Qiu & Zou, 2025 is a tiny fish in the family Nemacheilidae (order Cypriniformes). Adults typically reach 4.60 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
Oreonectes daguishanensis
Authority
Chen, Leng, Yang, Tang, Qiu & Zou, 2025
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
4.6 cm
Trophic Level
2.8
Resilience
Medium
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 7; Anal soft rays: 6. This species is distinguished from its congeners by the following set of characters: pigmentation present; pelvic-fin origin anterior to dorsal-fin origin; swim bladder degenerated; maxillary barbel reaching posterior margin of opercula; branched caudal fin rays 14; tip of pelvic fin not reaching anus; caudal fin rounded; five to eight lateral line pores, last lateral line pore not reaching above the tip of pectoral fin; and predorsal length 56.7%-62.4% of SL .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Oreonectes Daguishanensis 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
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
4.6cm
Dorsal Rays
7
Anal Rays
6

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Chen, Leng, Yang, Tang, Qiu & Zou, 2025

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