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💧 Freshwater Least Concern 🌡️ Tropical

Stream Barilius

Opsarius koratensis Smith, 1931
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Usually occurs in large, quiet and deep, often turbid waters . Found in medium to large-sized rivers . Reported to occur over gravel substrate in clear, swift, small streams up to rapidly flowing stretches of large rivers. Feed on insect larvae, especially trichopterans. Rarely seen in markets .

Scientific Name
Opsarius koratensis
Authority
Smith, 1931
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
16 cm
Trophic Level
3.2
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

With 15-18 pre-dorsal scales; a faint, broad longitudinal stripe on the sides; 2-9 faint (sometimes missing), short vertical bars .: elongated.

🌀 Behaviour

Behavioural data for Stream Barilius is currently being reviewed.

🦐 Diet

Diet information for Stream Barilius is currently being compiled.

🥚 Reproduction

Reproduction data for Stream Barilius is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4
Food Items

insect larvae, especially trichopterans

📐 Morphometrics

Length–Weight Relationship: W = 0.00575 × L2.94 (TL)
Max TL
16cm

🌡️ 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
27.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Smith, 1931

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Stream Barilius
🌍CES hasu thajský
🌍KHM Trey changwa
🌍LAO Pa sieu
🇵🇹Portuguese Rasbora-de-Korat
🌍THA Pla Nam Muek · ปลาน้ำหมึกโคราช

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Stream Barilius ↗
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