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Brown-headed emperor (Lethrinus erythropterus) — Lethrinidae

Brown-headed emperor

Lethrinus erythropterus
Family: Lethrinidae
LC · Least Concern

The Brown-headed emperor (Lethrinus erythropterus) is a saltwater fish of the family Lethrinidae that grows up to 50 cm.

Length
50 cm
Water
Saltwater
Depth
2.0–25.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Edibility
Commonly eaten

Description

The longfin emperor is an emperor from the Indo-West Pacific. The species grows to about 50 cm and has a streamlined body with a brownish head and conspicuously reddish fins. As a reef predator it searches over sand and rubble bottoms and reefs for molluscs, crustaceans, sea urchins 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 Brown-headed emperor?

The Brown-headed emperor has a torpedo-shaped body, is mainly red-orange and shows a plain pattern.

Where does the Brown-headed emperor live?

The Brown-headed emperor lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Brown-headed emperor get?

The Brown-headed emperor grows to a maximum of about 50 cm. On average the species is around 30 cm.

Is the Brown-headed emperor dangerous to humans?

No, the Brown-headed emperor is harmless to humans.

Is the Brown-headed emperor edible?

Yes, the Brown-headed emperor is commonly eaten.

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All data

Identification

Dutch name
Roodvin-keizer verified
English name
Brown-headed emperor verified
Scientific name
Lethrinus erythropterus
Family
Lethrinidae
Other names
Emperor; Longfin emperor verified

Appearance

Size class
Large verified
Max length (cm)
50.0 verified
Average length (cm)
30.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Red / orange 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
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
2.0 verified
Max depth (m)
25.0 verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Protogynous (female first) sourced
Sexual dimorphism
No sourced

For anglers

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

Safety

Danger to humans
Harmless sourced

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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