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Brown wrasse (Labrus merula) — Labridae

Brown wrasse

Labrus merula
Family: Labridae
LC · Least Concern

The Brown wrasse (Labrus merula) is a saltwater fish of the family Labridae that grows up to 45 cm.

Length
45 cm
Water
Saltwater
Diet
Carnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Mediterranean Sea and the adjacent eastern Atlantic, on rocky and seagrass bottoms in shallow water.
Edibility
Commonly eaten

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Description

The brown wrasse is a sturdy wrasse of the family Labridae reaching about 45 cm. The body is mostly uniform dark green to brown-blue, with fine blue edges to the fins and thick lips; the jaw teeth are strong. The species lives on rocky and seagrass bottoms in shallow water of the Mediterranean and the adjacent eastern Atlantic, staying among rocks and seagrass. With its powerful jaws it crushes shellfish, crabs, sea urchins and snails. Like many wrasses it is a protogynous hermaphrodite: females can change into males. The male builds a nest of weeds among rocks and guards the eggs. The brown wrasse is a valued fish for coastal fisheries.

Frequently asked questions

How do you recognise the Brown wrasse?

The Brown wrasse has a torpedo-shaped body, is mainly green and shows a plain pattern. Sturdy wrasse with a uniform dark green to brownish blue body and blue edges to the fins; strong jaw teeth.

Where does the Brown wrasse live?

The Brown wrasse lives in the sea (marine waters) and is mostly found around stony or rocky ground. Mediterranean Sea and the adjacent eastern Atlantic, on rocky and seagrass bottoms in shallow water.

How big does the Brown wrasse get?

The Brown wrasse grows to a maximum of about 45 cm. On average the species is around 40 cm.

Is the Brown wrasse dangerous to humans?

No, the Brown wrasse is harmless to humans. None required: this species is harmless to humans.

Is the Brown wrasse edible?

Yes, the Brown wrasse is commonly eaten.

More photos

Brown wrasse (Labrus merula) — Labridae — 2
iNaturalist ((c) Valentina, some rights reserved (CC BY-NC))
Brown wrasse (Labrus merula) — Labridae — 3
iNaturalist ((c) Falk Viczian Solarboot-Projekte gGmbH, some rights reserved (CC BY)
Brown wrasse (Labrus merula) — Labridae — 4
iNaturalist ((c) Sylvain Le Bris, some rights reserved (CC BY-NC))
Brown wrasse (Labrus merula) — Labridae — 5
iNaturalist ((c) mpech, some rights reserved (CC BY-NC))

Easily confused with

These species look like the Brown wrasse and live in the same waters.

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All data

Identification

English name
Brown wrasse verified
Scientific name
Labrus merula
Family
Labridae
Other names
Brown wrasse; Cuckoo wrasse verified

Appearance

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

Habitat & distribution

Water type
Saltwater verified
Substrate
Stone or rock sourced
Natural range
Mediterranean Sea and the adjacent eastern Atlantic, on rocky and seagrass bottoms in shallow water. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Shellfish, crabs, sea urchins and snails sourced
Social behaviour
Solitary verified
Territorial
Yes verified
Activity
Diurnal inferred
Reproduction
Protogynous (female first) verified
Sexual dimorphism
No verified
levensduur_max_jaar
17.0 verified
Seasonality
Spawns in spring; the male builds a nest of seaweeds among rocks and guards the clutch. sourced
Special features
Sturdy wrasse with a uniform dark green to brownish blue body and blue edges to the fins; strong jaw teeth. sourced

For anglers

Edibility
Commonly eaten verified
Fishing method
From rocky shores or boats with crab, lugworm or shellfish bait close to rocks and seagrass sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Labrus

More from the family Labridae

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