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Bastard sole (Microchirus azevia) — Soleidae

Bastard sole

Microchirus azevia
Family: Soleidae

The Bastard sole (Microchirus azevia) is a saltwater fish of the family Soleidae that grows up to 40 cm.

Length
40 cm
Water
Saltwater
Depth
20.0–250.0 m
Behaviour
Solitary
Activity
Nocturnal
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Europe: Algeria, France, Greece, Portugal, Senegal, Spain and others

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Description

The bastard sole is a sole (Soleidae) from coastal and estuarine water of the eastern Atlantic and Mediterranean. The species grows to about 25 cm and has a flattened, elongate-oval body with both eyes on the right side; the upper side is brown with dark bands over the fin margins, the underside white. As a nocturnal bottom-dweller it lies buried by day on sand and mud bottoms and searches by night for worms, small crustaceans and molluscs. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Bastard sole?

The Bastard sole has a flattened, disc-shaped body and is mainly brown.

Where does the Bastard sole live?

The Bastard sole lives in the sea (marine waters) and is mostly found around sand or mud bottom. Europe: Algeria, France, Greece, Portugal, Senegal, Spain and others

How big does the Bastard sole get?

The Bastard sole grows to a maximum of about 40 cm.

Is the Bastard sole dangerous to humans?

No, the Bastard sole 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.

More photos

Bastard sole (Microchirus azevia) — Soleidae — 2
iNaturalist ((c) sphiattfs, some rights reserved (CC BY-NC))

Easily confused with

These species look like the Bastard sole and live in the same waters.

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All data

Identification

English name
Bastard sole sourced
Scientific name
Microchirus azevia
Family
Soleidae

Appearance

Size class
Medium verified
Max length (cm)
40.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
20.0 verified
Max depth (m)
250.0 verified
Natural range
Europe: Algeria, France, Greece, Portugal, Senegal, Spain and others sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Solitary inferred
Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
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 Microchirus

More from the family Soleidae

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