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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Subtropical

Yunnanilus Pachycephalus

Yunnanilus pachycephalus Kottelat & Chu, 1988
Max Length
8.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Yunnanilus Pachycephalus (Yunnanilus pachycephalus), first described by Kottelat & Chu, 1988 is a small fish in the family Nemacheilidae (order Cypriniformes). Adults typically reach 8.30 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 Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Nemacheilidae kept in the hobby.

Scientific Name
Yunnanilus pachycephalus
Authority
Kottelat & Chu, 1988
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
8.3 cm
Trophic Level
3.1
Resilience
Medium
Vulnerability
37.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Cypriniformes
Cypriniformes
Family
Nemacheilidae
Nemacheilidae
Genus
Yunnanilus
Yunnanilus
Species
Yunnanilus Pachycephalus
Yunnanilus pachycephalus

🐟 Physical Description

Dorsal soft rays (total): 12 - 13; Anal soft rays: 8. No lateral line; no head pores; 9 1/2 branched dorsal rays; 14 branched caudal rays; body depth 20-25% SL; dorsal head length 16-21% SL; color pattern usually consisting of large dark spots .: elongated.

🌀 Behaviour

Behavioural data for Yunnanilus Pachycephalus 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
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
8.3cm
Dorsal Rays
13
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate 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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