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💧 Freshwater Data Deficient 🌡️ Tropical

Oreoglanis Sudarai

Oreoglanis sudarai Vidthayanon, Saenjundaeng & Ng, 2009
Max Length
11.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
39.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Oreoglanis Sudarai (Oreoglanis sudarai), first described by Vidthayanon, Saenjundaeng & Ng, 2009 is a small fish in the family Sisoridae (order Siluriformes). Adults typically reach 11.30 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 sudarai
Authority
Vidthayanon, Saenjundaeng & Ng, 2009
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
11.3 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
39.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 6 - 7; Anal soft rays: 5 - 6; Vertebrae: 39 - 40. Belongs to the Oreoglanis siamensis species group as it possesses a distinct median notch on the posterior margin of the lower lip. Can be distinguished from other members of the genus in having a combination of the following characters: long nasal barbel reaching to anterior orbital margin, maxillary barbel with pointed tip, tip of pectoral fin not reaching pelvic-fin origin, caudal peduncle length 16.7-22.6 % SL, eye diameter 9.8-14.3 % HL, and an emarginate caudal fin . : elongated.

🌀 Behaviour

Behavioural data for Oreoglanis Sudarai 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
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.08 (TL)
Max TL
11.3cm
Dorsal Rays
7
Anal Rays
6
Vertebrae
40

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vidthayanon, Saenjundaeng & Ng, 2009

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