Overview
The Luderick, also known as 'Blackfish', is an iconic species of the Australian east coast. Famous for being difficult to catch, requiring technique and patience. Traditionally fished with green weed bait under a float. A true challenge for experienced anglers.
Identification
Wide pectoral finsSmall, terminal mouthMottled patternSlightly forked tailLarge eyesRows of tricuspid teeth
- Body
- Sturdy, elongated body with a slightly curved dorsal profile.
- Colouration
- Predominantly gray-black coloration with darker vertical stripes on the body.
- Sexual dimorphism
- Absent or not noticeable
- Growth
- Moderate, with variations depending on food availability.
Taxonomy
- Family
- Girellidae
- Order
- Perciformes
- Class
- Actinopterygii
Related species
Girella elevataGirella nigricansGirella albostriataGirella cyaneaGirella zebra
Habitat & distribution
- Environment
- coast, reefs, estuaries
- Preferred bottom
- reef, rock, seagrass
- Geographic distribution
- Common along the eastern coast of Australia, particularly between New South Wales and Victoria.
- Micro-habitat
- Hides among algae and rock crevices, providing shelter from predators.
Prefers rocky environments with clear waters and algae presence.
Presence by sea area
Au Gbr SudPeak
Au Costa Est TemperataPeak
Diet
- Primary prey
- green algae, red algae, brown algae
- Secondary prey
- small crustaceans, insect larvae, organic debris
- Occasional prey
- mollusks, zooplankton
- Feeding behaviour
- Feeds by scraping algae from rocks and consuming aquatic vegetation in coastal zones.
- Natural predators
- sharks, large predatory fish, seabirds
Heavily dependent on the availability of algae in coastal areas.
Behaviour
- Activity
- diurnal
- Social behaviour
- small_groups
- Aggressiveness
- low
- Migration
- Resident, with small local movements in search of food.
- Seasonal behaviour
- Exhibits increased activity during summer months due to abundant food supply.
- Juveniles
- Young form small groups in shallow waters, using algae as shelter.
- Adults
- Adults move in larger groups, actively swimming along the coast.
Reproduction
- Spawning season
- June, July, August
- Spawning depth
- between 16 and 49 feet
- Eggs
- Small, highly buoyant pelagic eggs.
- Larval stage
- Planktonic larvae that develop rapidly in the first days of life.
- Sexual maturity
- 3-4 years
When to catch Luderick
Activity calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PeakGoodLowInactive
Activity by season
Best times
DayDawn
Night—
This species shows peak fishing activity in spring, summer and autumn, when the productivity index (FPI) reaches its highest values.
Fishing activity decreases in winter, when conditions are less favourable.
Ideal conditions
Water temperature
10°COptimal zone: 14-24°C27°C
Preferred tide: moving
Where to catch it
Best spots
coastal rocksshallow waterspiersreefs
Bottom preference
Spot type
Fishing techniques
Recommended
float fishingfly fishingrod fishingalgae fishing
Other applicable
BolognesePesca A GalleggianteBolognese MediaBolognese Pesante
Recommended baits
fresh algaeartificial algaealgae doughsmall crustaceans
Baits by pressure
Low
AlgaPane raffermoPasta / Pastella
Medium
Gamberetto vivoGambero morto / Gambero
High
AlgaPane raffermoPasta / Pastella
Catch & handling tips
- Fight
- Fights vigorously with powerful runs and attempts to take cover among rocks.
- Handling
- Handle carefully to avoid excessive stress, use wet gloves.
- Release
- Release as soon as possible to minimize trauma, preferably in the water.
Curiosities & culture
- Record catches
- Catches in Australian waters can exceed 4 lbs, making the Luderick a sought-after catch for local sport fishermen.
- In the kitchen
- Traditionally grilled or fried, popular in fish soups.
- Cultural notes
- Often mentioned in fishermen's tales as a challenging catch due to its unique feeding habits.
- Historical notes
- Popularly fished along Australia's coast for generations, traditionally consumed by coastal communities.
