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

Diadromous 🌡️ Subtropical

Port Jackson glassfish

Pseudoambassis jacksoniensis Macleay, 1881
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
0–6 m
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in lentic and lotic freshwater, as well as in mangrove areas . A small schooling species also found in estuaries and coastal marine waters .

Scientific Name
Pseudoambassis jacksoniensis
Authority
Macleay, 1881
Habitat
Diadromous
Climate
Subtropical
Max Length
7 cm
Depth Range
0–6 m
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pseudoambassis
Pseudoambassis
Species
Port Jackson glassfish
Pseudoambassis jacksoniensis

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 9 - 11; Anal spines: 3; Anal soft rays: 8 - 9; Vertebrae: 24. Adults have a single supraorbital spine, a short-based, deeply notched dorsal fin, and are transparent and silvery .

🌀 Behaviour

Behavioural data for Port Jackson glassfish is currently being reviewed.

🦐 Diet

Diet information for Port Jackson glassfish is currently being compiled.

🥚 Reproduction

Reproduction data for Port Jackson glassfish is currently being compiled.

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; depth range 0 - 6 m . Subtropical; 27°S - 36°S, 146°E - 155°E Southwest Pacific: Endemic to Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.1±0.3
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.01202 × L3.02 (TL)
Max TL
7cm
Dorsal Spines
8
Dorsal Rays
10
Anal Spines
3
Anal Rays
9
Vertebrae
24

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 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
Macleay, 1881

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Port Jackson glassfish ↗
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Spotted incorrect or outdated data?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.