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Bluelined wrasse (Stethojulis albovittata) — Labridae

Bluelined wrasse

Stethojulis albovittata
Family: Labridae
LC · Least Concern

The Bluelined wrasse (Stethojulis albovittata) is a saltwater fish of the family Labridae that grows up to 14 cm.

Length
14 cm
Water
Saltwater
Depth
2.0–15.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Western Indian Ocean, on reef flats and lagoon and seaward reefs.
Edibility
Commonly eaten

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Description

The bluelined wrasse is a small wrasse (Labridae) from the western Indian Ocean. The species reaches about 14 cm; males have a green-blue body with conspicuous light-blue lateral lines, while females are more inconspicuous brown-grey. It inhabits reef flats and clear lagoon and seaward reefs, where it lives singly or in small harem groups of one male with a few females. The diet consists of small invertebrates, especially crustaceans and molluscs. Like many wrasses the species is a protogynous hermaphrodite, beginning as a female and later able to change into a male.

Frequently asked questions

How do you recognise the Bluelined wrasse?

The Bluelined wrasse has a torpedo-shaped body, is mainly blue and shows a horizontal stripes pattern. Lives in small harem groups (one male, a few females); protogynous, the male with blue lines.

Where does the Bluelined wrasse live?

The Bluelined wrasse lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Indian Ocean, on reef flats and lagoon and seaward reefs.

How big does the Bluelined wrasse get?

The Bluelined wrasse grows to a maximum of about 14 cm. On average the species is around 9 cm.

Is the Bluelined wrasse dangerous to humans?

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

Is the Bluelined wrasse edible?

Yes, the Bluelined wrasse is commonly eaten.

More photos

Bluelined wrasse (Stethojulis albovittata) — Labridae — 2
iNaturalist ((c) François Libert, some rights reserved (CC BY-NC-SA))
Bluelined wrasse (Stethojulis albovittata) — Labridae — 3
iNaturalist ((c) François Libert, some rights reserved (CC BY-NC-SA))
Bluelined wrasse (Stethojulis albovittata) — Labridae — 4
Wikimedia Commons — Rainer Kretzberg (CC BY 3.0)
Bluelined wrasse (Stethojulis albovittata) — Labridae — 5
iNaturalist (no rights reserved)
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All data

Identification

English name
Bluelined wrasse verified
Scientific name
Stethojulis albovittata
Family
Labridae
Other names
Bluelined wrasse; Blue-lined wrasse; Rainbowfish; Whiteline wrasse verified

Appearance

Size class
Small verified
Max length (cm)
14.0 verified
Average length (cm)
9.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Blue inferred
Pattern
Horizontal stripes inferred
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
2.0 verified
Max depth (m)
15.0 verified
Natural range
Western Indian Ocean, on reef flats and lagoon and seaward reefs. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small invertebrates (crustaceans and molluscs) sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Protogynous (female first) sourced
Sexual dimorphism
Yes inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Lives in small harem groups (one male, a few females); protogynous, the male with blue lines. sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
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 Stethojulis

More from the family Labridae

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