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💧 Freshwater Data Deficient 🌡️ Tropical

Exostoma Berdmorei

Exostoma berdmorei Blyth, 1860
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Exostoma Berdmorei (Exostoma berdmorei), first described by Blyth, 1860 is a small fish in the family Sisoridae (order Siluriformes). Adults typically reach 10.00 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
Exostoma berdmorei
Authority
Blyth, 1860
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
10 cm
Trophic Level
3.1
Resilience
Medium
Vulnerability
31.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species is distinguished from its congeners by the following characters: diameter of eye 10.1-11.9% HL; head width 18.3-21.1% SL; pectoral to pelvic distance 32.8-36.0% SL; distance from dorsal to adipose 9.2-11.7% SL; body depth at anus 11.0-12.7% SL; length of adipose-fin base 32.8-35.8% SL; adipose fin adnate to upper procurrent caudal-fin rays; length of caudal peduncle 16.4-19.6% SL, depth 9.2-9.7% SL; caudal fin weakly forked; preanal vertebrae 22-23 ..: elongated; Cross section: flattened.

🌀 Behaviour

Behavioural data for Exostoma Berdmorei 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
10cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2009

📊 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
Blyth, 1860

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