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💧 Freshwater Least Concern 🌡️ Tropical

Smalltail butter catfish

Ompok rhadinurus Ng, 2003
← All Species
Max Length
21.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
36.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits large, slow flowing rivers and lakes and swamps . Juveniles sometimes occur in smaller streams . Feeds on smaller fishes and crustaceans .

Scientific Name
Ompok rhadinurus
Authority
Ng, 2003
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
21.4 cm
Trophic Level
3.8
Resilience
Medium
Vulnerability
36.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 3 - 4; Anal soft rays: 76 - 85; Vertebrae: 56 - 58. Head width 11.4-13.3% SL; caudal peduncle depth 3.7-4.3% SL; anal fin rays 76-85; vertebrae 56-58 .: elongated.

🌀 Behaviour

Behavioural data for Smalltail butter catfish 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
3.8±0.6
Food Items

smaller fishes and crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3 (TL)
Max TL
21.4cm
Dorsal Rays
4
Anal Rays
81
Vertebrae
57

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3.8
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Ng, 2003

👥 Community & Contribute

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