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💧 Freshwater Critically Endangered 🌡️ Tropical

Drysdale gudgeon

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

📖 Overview

Drysdale gudgeon (Hypseleotris notata) is a ray-finned fish of the family Eleotridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 4 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Critically Endangered on the IUCN Red List.

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

🐟 Physical Description

Physical description for Drysdale gudgeon is currently being compiled.

🌀 Behaviour

Behavioural data for Drysdale 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. Tropical; 13°S - 14°S known only from the Drysdale River system in the northern Kimberley region of Western Australia.

🌿 Ecology

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

📐 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
Critically Endangered
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
Tropical
Described By
Hoese & Allen, 1987

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