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

💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Mystacoleucus Atridorsalis

Mystacoleucus atridorsalis Fowler, 1937
Max Length
8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found at bottom depths over gravel in areas with fairly strong currents. Occurs in the main stream of the middle Mekong with populations in fast flowing forest streams . Enters flooded fields . Feeds on worms, insect larvae, and crustaceans living in bottom sediments, along with algae .

Scientific Name
Mystacoleucus atridorsalis
Authority
Fowler, 1937
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
8 cm
Trophic Level
2.9
Resilience
High
Vulnerability
15.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

A conspicuous distal blotch on the dorsal fin; a few scales on the sides with faint black crescent-shaped marks on their base; barbels absent or rudimentary ; body relatively deep, depth 2.5-2.7 times in SL .: fusiform / normal.

🌀 Behaviour

Behavioural data for Mystacoleucus Atridorsalis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.33
Food Items

worms, insect larvae, and crustaceans living in bottom sediments, along with algae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.02 (TL)
Max TL
8cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Fowler, 1937

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Mystacoleucus Atridorsalis ↗
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Spotted incorrect or outdated data?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.