River blackfish
📖 Overview
Lives in clear, flowing streams with abundant cover . Prefers streams with gravel bottoms and abundant snags. Also occurs in lakes and reservoirs . Tolerant of slightly brackish conditions (10 p.p.t.) in the tidal reaches of rivers, and a temperature range of 5°-25°C. Home-ranging; remaining within about a 20-30 meters stretch of water throughout the life span . Feeds on insects, crustaceans and small fishes ; also on mollusks . The spawning season runs from November to January. A popular angling species in the south, but large fish are rare. Highly susceptible to overfishing, due to its home-ranging behavior and low fecundity . Flesh is oily and not very good eating.
🔬 Taxonomy
🐟 Physical Description
Physical description for River blackfish is currently being compiled.
🌀 Behaviour
Behavioural data for River blackfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Temperate; 5°C - 20°C endemic to south-eastern Australia, including Tasmania (Ref.
🌿 Ecology
insects, crustaceans and small fishes (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .
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