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Australian emperor (Lethrinus lentjan) — Lethrinidae

Australian emperor

Lethrinus lentjan
Family: Lethrinidae
LC · Least Concern

The Australian emperor (Lethrinus lentjan) is a brackish-water fish of the family Lethrinidae that grows up to 52 cm.

Length
52 cm
Water
Brackish
Depth
10.0–90.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Indo-West Pacific
Edibility
Commonly eaten

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Description

The pink ear emperor is an emperor from the Indo-West Pacific. The species grows to about 52 cm and has a streamlined, silver-grey body with a red spot on the edge of the gill cover and reddish fin margins. As a reef predator it searches over sand and rubble bottoms and reefs for molluscs, crustaceans and small fish, which it crushes with strong teeth. It is a valued food fish. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Australian emperor?

The Australian emperor has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Red blotch on the edge of the operculum; reef predator with strong teeth

Where does the Australian emperor live?

The Australian emperor lives in brackish water and is mostly found around stony or rocky ground. Indo-West Pacific

How big does the Australian emperor get?

The Australian emperor grows to a maximum of about 52 cm. On average the species is around 40 cm.

Is the Australian emperor dangerous to humans?

No, the Australian emperor is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Australian emperor edible?

Yes, the Australian emperor is commonly eaten.

More photos

Australian emperor (Lethrinus lentjan) — Lethrinidae — 2
Wikimedia Commons — Jean-Lou Justine (CC BY-SA 3.0)
Australian emperor (Lethrinus lentjan) — Lethrinidae — 3
iNaturalist ((c) Jordan H, some rights reserved (CC BY-NC))
Australian emperor (Lethrinus lentjan) — Lethrinidae — 4
Wikimedia Commons — Paul Asman (CC BY 4.0)
Australian emperor (Lethrinus lentjan) — Lethrinidae — 5
iNaturalist ((c) Sue Churchill, some rights reserved (CC BY-NC))
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All data

Identification

English name
Australian emperor verified
Scientific name
Lethrinus lentjan
Family
Lethrinidae
Other names
Bridled Pigface-bream; Emperor; Pigface bream; Pig-face bream; Pink ear emperor; Redspot emperor; Pink-eared emperor; Purple-headed emperor; Red-spot emperor; Saburbir emperor; Yellowbrow emperor; Pinkear emperor verified

Appearance

Size class
Large verified
Max length (cm)
52.0 verified
Average length (cm)
40.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thick / fleshy sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Stone or rock sourced
Min depth (m)
10.0 verified
Max depth (m)
90.0 verified
Natural range
Indo-West Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Molluscs, crustaceans and small fishes inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Protogynous (female first) sourced
Sexual dimorphism
No sourced
levensduur_max_jaar
19.0 verified
Seasonality
Reef-dwelling angelfish; present year-round. sourced
Special features
Red blotch on the edge of the operculum; reef predator with strong teeth sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Handlines sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Lethrinus

More from the family Lethrinidae

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