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💧 Freshwater 🌡️ Subtropical

Rongdu high-plateau loach

Triplophysa rongduensis Mao, Zhao, Yu, Xiao & Zhou, 2023
Max Length
6.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Rongdu high-plateau loach (Triplophysa rongduensis), first described by Mao, Zhao, Yu, Xiao & Zhou, 2023 is a small fish in the family Nemacheilidae (order Cypriniformes). Adults typically reach 6.90 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
Triplophysa rongduensis
Authority
Mao, Zhao, Yu, Xiao & Zhou, 2023
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
6.9 cm
Trophic Level
3.1
Resilience
Medium
Vulnerability
35.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 9; Anal soft rays: 5; Vertebrae: 43. This species is distinguished from its congeners by the following set of characters: body naked, scales absent, with skin pigmentation; eyes normal, diameter 7-15% of HL, interorbital width 24-32% of HL; dorsal fin distal margin truncated; pelvic-fin tip not reaching to anus; tip of pectoral fin not reaching to pelvic fin origin; anterior and posterior nostrils closely set, anterior nostril elongated to a barbel-like tip; tip of outrostral barbel extending backward to posterior margin of the eye; lateral line complete; dorsal-fin rays iv-9, pectoral-fin rays i-10, pelvic-fin rays ii-7, anal-fin rays iii-5, 16 branched caudal-fin rays; and total vertebrae 43 .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Rongdu high-plateau loach 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. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3 (TL)
Max TL
6.9cm
Dorsal Rays
9
Anal Rays
5
Vertebrae
43

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Mao, Zhao, Yu, Xiao & Zhou, 2023

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