Overview
The Red Emperor is one of Australia's most prized reef fish. With its intense red colour and impressive size, it's both a trophy and excellent table fish. Found mainly in northern and Western Australian waters on deep coral bottoms.
Identification
Large mouthHigh dorsal finBright red colorationLight vertical stripesForked tail finRelatively large eyes
- Body
- Elongated and robust body, with a convex forehead profile.
- Colouration
- Deep red coloration with light stripes on the sides.
- Sexual dimorphism
- Absent/not prominent
- Growth
- medium; they grow consistently until maturity.
Taxonomy
- Family
- Lutjanidae
- Order
- Perciformes
- Class
- Actinopterygii
Related species
Lutjanus argentimaculatusLutjanus malabaricusLutjanus boharLutjanus quinquelineatusLutjanus rivulatus
Habitat & distribution
- Environment
- coast, reefs, deep_sea
- Preferred bottom
- reef
- Geographic distribution
- Common in the tropical and subtropical waters of northern and Western Australia. Also found in the Red Sea and Arabian Sea.
- Micro-habitat
- Seeks refuge in coral structures and near deep rocky bottoms.
Coral structures provide both protection and a variety of prey.
Presence by sea area
Au Nw ShelfPeak
Au Nt TropicalePeak
Au Gbr NordPeak
Au Gbr CentroPeak
Au Gbr SudPeak
Diet
- Primary prey
- crustaceans, small fish, squid
- Secondary prey
- shrimp, octopus, starfish
- Occasional prey
- algae, jellyfish
- Feeding behaviour
- Opportunistic predator, actively hunts on coral reefs and rocky bottoms.
- Natural predators
- hammerhead shark, groupers, barracuda, moray eels
Diet varies depending on the availability of seasonal prey.
Behaviour
- Activity
- diurnal
- Social behaviour
- small_groups
- Aggressiveness
- medium
- Migration
- resident
- Seasonal behaviour
- Active year-round, with feeding activity peaking during warmer months.
- Juveniles
- Juveniles tend to stay in shallower waters and near lagoons.
- Adults
- Adults move to deeper waters and prefer coral reefs.
Reproduction
- Spawning season
- June, July, August
- Spawning depth
- between 20 and 60 meters
- Eggs
- Pelagic, small and transparent.
- Larval stage
- Larvae are pelagic and develop in open water before settling on the bottom.
- Sexual maturity
- 3-4 years
When to catch Red Emperor
Activity calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PeakGoodLowInactive
Activity by season
Best times
DayDawn, Dusk
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
coral reefsrocky bottomssubmerged oil rigsoffshore banks
Bottom preference
Spot type
Fishing techniques
Recommended
bottom fishingdrift fishingdeep trollingspinning
Other applicable
BolentinoVertical JiggingSlow JiggingPesca A Fondo
Recommended baits
shrimpsardinescuttlefishsquid
Baits by pressure
Low
Jig head + softbaitSoft plastic grande (20-30cm)Kabura / Tai rubberMetal jig medio (40-100g)Paddle tail softbaitSlow pitch jig
Medium
Calamaro interoCigar minnowGambero vivoPezzo di pescePinfish vivoStriscia di calamaroEsca viva (generica)
High
Arenicola
Catch & handling tips
- Fight
- Fights vigorously with strong pulls towards the bottom.
- Handling
- Use gloves to prevent injury from spines.
- Release
- Return to water quickly to improve survival chances.
Curiosities & culture
- Record catches
- Scientific literature reports maximum sizes for the Red Emperor around 116 cm and weights reaching up to 32 kg. This species is highly valued in Pacific and Indian Ocean sport fishing, where the largest specimens are true trophies for anglers.
- In the kitchen
- Considered an excellent table fish; often served roasted or grilled.
- Cultural notes
- Symbol of abundance and prosperity in some Pacific cultures.
- Historical notes
- Once caught with large-scale nets, fishing is now more regulated to protect the species.
