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💧 Freshwater Endangered 🌡️ Subtropical

Yunnanilus Niger

Yunnanilus niger Kottelat & Chu, 1988
Max Length
6.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Yunnanilus Niger (Yunnanilus niger), first described by Kottelat & Chu, 1988 is a small fish in the family Nemacheilidae (order Cypriniformes). Adults typically reach 6.30 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. On the IUCN Red List, it is classified as Endangered.The species is a species of conservation concern.

Scientific Name
Yunnanilus niger
Authority
Kottelat & Chu, 1988
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
IUCN Status
EN
Max Length
6.3 cm
Trophic Level
3.1
Resilience
Medium
Vulnerability
33.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 11 - 12; Anal soft rays: 8. Deep black body and fins (except caudal fin); no lateral line; no head pores; no scales along dorsal mid-line in front of dorsal fin; body depth 26% SL; 8 1/2 branched dorsal rays; 14 branched caudal rays .: elongated.

🌀 Behaviour

Behavioural data for Yunnanilus Niger 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; 16°C - ?

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
6.3cm
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
33.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Kottelat & Chu, 1988

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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