New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Endangered 🌡️ Temperate

Julian galaxias

Paragalaxias julianus McDowall & Fulton, 1978
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
Low
Vulnerability
20.00/100
Typical Length
6 cm
Depth Zone
demersal

📖 Overview

Facultative air-breathing in the genus ; Lives on rocky shores of lakes. Bottom-dweller of upland lakes and associated streams, frequently under and around rocks on gravel substrates . Feeds on insects, small crustaceans and mollusks.

Scientific Name
Paragalaxias julianus
Authority
McDowall & Fulton, 1978
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
EN
Max Length
10 cm
Trophic Level
3.3
Resilience
Low
Vulnerability
20.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Paragalaxias
Paragalaxias
Species
Julian galaxias
Paragalaxias julianus

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 9 - 11; Anal spines: 0; Anal soft rays: 7 - 8; Vertebrae: 40 - 43. Anterior interorbital laterosensory pore well separated from the posterior nostril. Usually 2 pairs of pores below the lower jaw. Short gill rakers.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Julian galaxias 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. Temperate Central Plateau of Tasmania, Australia.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.3±0.43
Food Items

insects, small crustaceans and mollusks

📐 Morphometrics

Length–Weight Relationship: W = 0.0049 × L3.12 (TL)
Max TL
10cm
Dorsal Rays
10
Anal Rays
8
Vertebrae
42

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
20.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
McDowall & Fulton, 1978

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Julian galaxias ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.