Labrus

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Labrus
Temporal range: Eocene–Recent
File:Labrus mixtus, Mindlandet, Tjøtta, 18, NO imported from iNaturalist photo 403800737 (cropped).jpg
Cuckoo wrasse (L. mixtus)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Labriformes
Family: Labridae
Subfamily: Labrinae
Genus: Labrus
Linnaeus, 1758
Type species
Labrus mixtus
Synonyms[2]

Labrus is a genus of wrasses native to the eastern Atlantic Ocean into the Mediterranean and Black seas.[3]

Biology

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Like most wrasses, Labrus species are protogynous, and can undergo sex change from female to male. The form of protogyny differs between species, e.g., Labrus bergylta is monandric (all fish are born female but can develop into males), while Labrus mixtus is diandric (individuals can be born either male or female, and females can develop into males).[4] L. mixtus is sexually dimorphic in colouration, while L. bergylta is not.[5][4]

Species

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The four currently recognized species in this genus are:[3]

Species Common name Terminal phase
Labrus bergylta

Ascanius, 1767

Ballan wrasse File:Labrus bergylta Brest.jpg
Labrus merula

Linnaeus, 1758

brown wrasse File:Labrus merula, Pyrénées-Orientales, Languedoc-Roussillon, FR imported from iNaturalist photo 131803023 (cropped).jpg
Labrus mixtus

Linnaeus, 1758

cuckoo wrasse File:Labrus mixtus, Tysvær, Norwegen imported from iNaturalist photo 219389574 (cropped).jpg
Labrus viridis

Linnaeus, 1758

green wrasse File:Labrus viridis France (cropped).jpg

Fossil record

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File:Labridae - Labrus valencennesii.JPG
Fossil of Labrus valenciennesii

Fossils of Labrus are found from the Eocene to the Quaternary (age range: from 55.8 to 0.781 million years ago.). They are known from various localities of France, Italy and the United Kingdom.[6]

References

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  6. ^ Paleobiology Database

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