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💧 Freshwater 🌡️ Subtropical

Exostoma Microadiposa

Exostoma microadiposa Chen, Tan & He, 2025
Max Length
6.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
30.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

This species is found in clear, fast flowing waters less than 50 cm deep, typically found in streams, at the confluence of streams, or around the banks of larger rivers. This habitat features a hard bottom substrate composed of rocks, gravel, and pebbles .

Scientific Name
Exostoma microadiposa
Authority
Chen, Tan & He, 2025
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
Max Length
6.2 cm
Trophic Level
3.1
Resilience
High
Vulnerability
30.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 6; Anal soft rays: 4. This species is distinguished by the following set of characters: posterior extremity of the adipose-fin base confluent with the upper procurrent caudal-fin rays; a combination of parallel striae and rounded plaques on the anterolateral surfaces on the lips; caudal-peduncle depth 9.9-12.0% (10.5% ± 0.01) SL; caudal-peduncle length 17.3-21.8% (19.7% ± 0.02) SL; eye diameter 6.7-9.0% (7.8% ± 0.01) HL; interorbital distance 31.8-37.6% (35.6% ± 0.02) HL; anal-fin base length 5.7-7.5% (6.5% ± 0.01) SL; body depth at anus 10.5-13.2% (12.3% ± 0.01) SL; dorsal to adipose distance 14.6-17.8% (16.4% ± 0.01) SL; tip of nasal barbels exceeding anterior edge of eye but not reaching posterior orbital margin .: elongated; Cross section: flattened.

🌀 Behaviour

Behavioural data for Exostoma Microadiposa 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. Subtropical

🌿 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
6
Anal Rays
4

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Chen, Tan & He, 2025

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