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💧 Freshwater 🌡️ Tropical

Exostoma Effrenum

Exostoma effrenum Ng & Vidthayanon, 2014
Max Length
6.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Exostoma Effrenum (Exostoma effrenum), first described by Ng & Vidthayanon, 2014 is a small fish in the family Sisoridae (order Siluriformes). Adults typically reach 6.50 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.

Scientific Name
Exostoma effrenum
Authority
Ng & Vidthayanon, 2014
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
6.5 cm
Trophic Level
3.1
Resilience
Medium
Vulnerability
31.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Distinguished from its congeners by the following characters: eye diameter 11.5-15.0% HL; head width 18.5-19.8% SL; body depth at anus 10.5-12.4% SL; length of adipose-fin base 25.8-29.0% SL; adipose fin distinctly separate from upper procurrent caudal-fin rays; caudal peduncle length 20.5-21.3% SL, depth 5.1-7.0% SL; caudal fin forked; preanal vertebrae 21-22 .: elongated; Cross section: flattened.

🌀 Behaviour

Behavioural data for Exostoma Effrenum 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
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.08 (TL)
Max TL
6.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Ng & Vidthayanon, 2014

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