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The wrasse's genomes must be analyzed to help keep the species alive. [13] Since so little was known about the wrasse's genetic relationships at a geographical scale, researchers utilized a test using microsatellite loci to facilitate population genetic studies. (DNA markers could not be used for testing, as the humphead wrasse lack such markers.)
Wrasses of a particular subgroup of the family Labridae, Labrini, do not exhibit broadcast spawning. Sex change in wrasses is generally female-to-male, but experimental conditions have allowed for male-to-female sex change. Placing two male Labroides dimidiatus wrasses in the same tank results in the smaller of the two becoming female again. [14]
Ophthalmolepis lineolata, the southern Maori wrasse, is a species of wrasse endemic to the Indian Ocean coastal waters of Australia. This species has been found at a minimum depth of 60 m (200 ft). This species grows to 40 cm (16 in) in total length. This species is the only known member of its genus. [2]
The greatest diversity of nudibranchs is seen in warm, shallow reefs, although one nudibranch species was discovered at a depth near 2,500 m (8,200 ft). [10] This nudibranch, described in 2024 as Bathydevius , is the only known nudibranch with a bathypelagic lifestyle and is one of the very few to be bioluminescent .
The Asian sheephead wrasse, as the common name indicates, is a wrasse, and thus is in the family Labridae.It has long been placed in the genus Semicossyphus, [2] [3] [4] but a recent paper suggested that it (along with its two congeners in Semicossyphus) be moved to Bodianus to make the latter monophyletic.
Oxycheilinus mentalis (Rüppell, 1828) (Mental maori wrasse) Oxycheilinus nigromarginatus J. E. Randall, Westneat & M. F. Gomon, 2003 (Black-margin maori wrasse) Oxycheilinus orientalis (Günther, 1862) (Oriental maori wrasse) Oxycheilinus samurai Y. Fukui, Muto & Motomura, 2016 [3] Oxycheilinus unifasciatus (Streets, 1877) (Ringtail maori wrasse)
Cryptobranch dorid nudibranchs (previously known as the taxon Cryptobranchia), are nudibranch sea slugs within the clade Doridacea. These slugs are called "cryptobranch," meaning "hidden gill", because they are able to retract their gills into a gill pocket, in contrast to nudibranchs in the traditional group phanerobranchs (or Phanerobranchia), which taxon is probably paraphyletic (in other ...
The snooty wrasse (Cheilinus oxycephalus), also known as the red maori wrasse, is a species of marine ray-finned fish from the family Labridae, the wrasses. It is a widespread Indo-Pacific reef fish.