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💧 Freshwater Data Deficient 🌡️ Tropical

Oreoglanis Colurus

Oreoglanis colurus Vidthayanon, Saenjundaeng & Ng, 2009
Max Length
6.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
30.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Oreoglanis Colurus (Oreoglanis colurus), first described by Vidthayanon, Saenjundaeng & Ng, 2009 is a small fish in the family Sisoridae (order Siluriformes). Adults typically reach 6.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Oreoglanis colurus
Authority
Vidthayanon, Saenjundaeng & Ng, 2009
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
6.2 cm
Trophic Level
3.1
Vulnerability
30.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 7; Anal soft rays: 5; Vertebrae: 35 - 36. Belongs to the Oreoglanis delacouri species group which lacks a distinct median notch on the posterior margin of the lower lip. Can be distinguished from other members of the genus by the following combination characters: maxillary barbel with pointed tip, dentary tooth patches separated by approximately one-quarter their width, tip of pectoral fin in contact with pelvic-fin origin, caudal peduncle length 13.0-15.0 % SL, caudal peduncle depth 5.2-6.6 % SL, caudal peduncle depth 2.15-2.86 times in its length, and a lunate caudal fin with upper and lower first principal rays of approximately equal length . : elongated.

🌀 Behaviour

Behavioural data for Oreoglanis Colurus 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. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.08 (TL)
Max TL
6.2cm
Dorsal Rays
7
Anal Rays
5
Vertebrae
36

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2011

📊 Population Risk & Fisheries

Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vidthayanon, Saenjundaeng & Ng, 2009

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