New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Vulnerable 🐠 Aquarium 🌡️ Tropical

Yunnanilus Niulanensis

Yunnanilus niulanensis Chen, Yang & Yang, 2012
Max Length
5.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
31.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in Yanglinhe River , China with altitude of 1909 m and with slow flowing and clear water. The stream of the type locality has sandy or a little muddy substrate .

Scientific Name
Yunnanilus niulanensis
Authority
Chen, Yang & Yang, 2012
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
VU
Max Length
5.5 cm
Trophic Level
3.1
Vulnerability
31.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 12; Anal soft rays: 8. Distinguished from other species of Yunnanilus by the following combination of characters: dorsal-fin rays iii, 9; anal-fin rays iii, 5; pectoral-fin rays i, 11; pelvic-fin rays i, 7-8; branched caudal-fin rays 14; mouth subterminal; 9-11 gill rakers in the inner side of the first gill arch, outer row of gill rakers absent; upper two-thirds of body and head covered by large brown spots; fins hyaline; body covered with scales; no lateral line; no cephalic sensory pores; caudal peduncle length less than caudal peduncle depth; caudal peduncle length 9.2-11.1% SL; body depth 21.0-25.8 % SL; eye diameter 5.4-6.0 % SL; interorbital width 9.9-12.1 % SL .: elongated.

🌀 Behaviour

Behavioural data for Yunnanilus Niulanensis 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. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
5.5cm
Dorsal Rays
12
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2024

📊 Population Risk & Fisheries

Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Chen, Yang & Yang, 2012

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Yunnanilus Niulanensis ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.