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💧 Freshwater 🌡️ Subtropical

Yunnanilus Altus

Yunnanilus altus Kottelat & Chu, 1988
Max Length
7.1 cm
Max Weight
-
Lifespan
-
Trophic Level
2.6
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits small stream with moderate flowing water. Moves slowly in shoals on the bottom. Feeds on filamentous algae and insects.

Scientific Name
Yunnanilus altus
Authority
Kottelat & Chu, 1988
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
7.1 cm
Trophic Level
2.6
Resilience
Medium
Vulnerability
35.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 11 - 13; Anal soft rays: 8. No pores on head; no lateral line; usually 9 1/2 branched dorsal rays; color pattern consisting of minute dark spots, often fused to form irregularly shaped blotches; body depth 25-28% SL; body scaled in front of dorsal fin; 14 branched caudal rays .: elongated.

🌀 Behaviour

Behavioural data for Yunnanilus Altus 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
2.6±0.27
Food Items

filamentous algae and insects

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
7.1cm
Dorsal Rays
12
Anal Rays
8

🌡️ 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
2.6
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Kottelat & Chu, 1988

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