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💧 Freshwater Vulnerable 🌡️ Subtropical

Mitchell gudgeon

Hypseleotris hutchinsi Hoese & Allen, 1987
Max Length
4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits still or slow-flowing waters, usually in rocky pools. Occurs in streams. Usually found close to submerged sandstone boulders, but occasionally seen hovering in mid-water . Solitary, often hovering over submerged sandstone boulders, but sometimes forms loose aggregations in mid-water. Males are more colorful and slightly larger than females. Attractive species well suited for captivity, but is unknown to aquarists .

Scientific Name
Hypseleotris hutchinsi
Authority
Hoese & Allen, 1987
Habitat
Freshwater
Climate
Subtropical
IUCN Status
VU
Max Length
4 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🐟 Physical Description

colorful and slightly larger than females.

🌀 Behaviour

Behavioural data for Mitchell gudgeon 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; non-migratory. Subtropical known only from the Mitchell River system in the northern Kimberley region of western Australia.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.1±0.2
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.13 (TL)
Max TL
4cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Subtropical
Described By
Hoese & Allen, 1987

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