The striated wrasse (''Pseudocheilinus evanidus''), also known as the disappearing wrasse, pinstripe wrasse or scarlet wrasse, is a species of marine ray-finned fish from the family Labridae, the

wrasse The wrasses are a family, Labridae, of marine fish, many of which are brightly colored. The family is large and diverse, with over 600 species in 81 genera, which are divided into 9 subgroups or tribes. They are typically small, most of them le ...

s. It has a wide

Indo-Pacific The Indo-Pacific is a vast biogeographic region of Earth. In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...

distribution. This species can also be found in the

aquarium An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...

trade.

Description

The striated wrasse is a small species of wrasse with an overall reddish colour with 24 fine longitudinal white lines on its body and sometimes showing 5-6 dark horizontal bars. There is a blue streak below the eye and the gill cover has dark margins. It can grow to in total length. The males and females show similar colourations and patterns but females tend to be less intensely coloured. The striated wrasse shows red fluorescence with the fluorescence being on the bony scales and fin rays.

Distribution

The striated wrasse has a wide distribution in the Indian Ocean and in the Western Pacific Ocean from Africa to Hawaii. In the western Indian Ocean its range extends from the Red Sea off Jordan to South Africa, and it has been recorded from the Seychelles,

Aldabra Aldabra is the world's second-largest coral atoll, lying south-east of the continent of Africa. It is part of the Aldabra Group of islands in the Indian Ocean that are part of the Outer Islands of the Seychelles, with a distance of 1,120 k ...

Réunion Réunion (; french: La Réunion, ; previously ''Île Bourbon''; rcf, label= Reunionese Creole, La Rényon) is an island in the Indian Ocean that is an overseas department and region of France. It is located approximately east of the island ...

, Mozambique and Pemba in Tanzania. In the Pacific Ocean it is found from the

Izu Islands The are a group of volcanic islands stretching south and east from the Izu Peninsula of Honshū, Japan. Administratively, they form two towns and six villages; all part of Tokyo Prefecture. The largest is Izu Ōshima, usually called simply Ō ...

in Japan in the north and from Australia to Hawaii in the east and the Marquesas Islands in the south.

Habitat and biology

The striated wrasse is a solitary and secretive benthopelagic wrasse which is found on the seaward slopes of reefs among patches of rubble or branching corals at depths of , or more, but it is infrequent at depths of less than . It is a carnivorous species which feeds on small benthic invertebrates. It is an

oviparous Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, most reptiles, and all pterosaurs, dinosaurs (including birds), and ...

species which shows pairing during spawning and in Japan breeding is thought to occur in the summer.

Species description

''Pseudocheilinus evanidus'' was first formally described in 1903 by

David Starr Jordan David Starr Jordan (January 19, 1851 – September 19, 1931) was the founding president of Stanford University, serving from 1891 to 1913. He was an ichthyologist during his research career. Prior to serving as president of Stanford Univer ...

and

Barton Warren Evermann Barton Warren Evermann (October 24, 1853 – September 27, 1932) was an American ichthyologist. Early life and education Evermann was born in Monroe County, Iowa in 1853. His family moved to Indiana while he was still a child and it was ...

, the holotype was collected from Henshaw's pool near

Hilo Hilo () is a census-designated place (CDP) and the largest settlement in Hawaii County, Hawaii, Hawaii County, Hawaii, United States, which encompasses the Hawaii (island), Island of Hawaii. The population was 44,186 according to the 2020 United ...

Hawaii Island Hawaii ( ; haw, Hawaii ) is the largest island in the United States, located in the state of Hawaii. It is the southeasternmost of the Hawaiian Islands, a chain of volcanic islands in the North Pacific Ocean. With an area of , it has 63% of t ...

Human usage

Straited wrasse are collected as food by Sea Gypsies in some parts of Thailand and it is also used in the

trade.

References

External links

* {{Taxonbar, from=Q2702341 Striated wrasse Fish described in 1903 Taxa named by David Starr Jordan Taxa named by Barton Warren Evermann