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💧 Freshwater Vulnerable 🐠 Aquarium 🌡️ Temperate

Jianchuan stone loach

Triplophysa jianchuanensis Zheng, Du, Chen & Yang, 2010
Max Length
4.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Collected from a spring with clear water, 14.4°C water temperature, pH 7.854, altitude 2172 m. One specimen with gammarid shrimps and copepods in the stomach .

Scientific Name
Triplophysa jianchuanensis
Authority
Zheng, Du, Chen & Yang, 2010
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
VU
Max Length
4.5 cm
Trophic Level
3
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Skin smooth, scaleless; lateral line complete; head long (26.7–29.8% of SL); eyes large (25.9–31.0% of dorsal head length); snout shorter than postorbital length (26.9–30.1% of HL); middle of lower lip interrupted and forming a pair of furrows; lower jaw spoon-like; posterior chamber of air bladder completely degenerated; intestines short, bending in zigzag-shape behind stomach; pelvic-fin tip not reaching anus; caudal fin emarginate; branched rays of dorsal fin 7; branched rays of caudal fin 16 .: elongated.

🌀 Behaviour

Behavioural data for Jianchuan stone 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; demersal; pH range: 7.9 - ?. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3 (TL)
Max TL
4.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Zheng, Du, Chen & Yang, 2010

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