''Centroberyx'', often referred to as nannygais, is a genus of

ray-finned fishes Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class (biology), class of Osteichthyes, bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built ...

found. It is found in the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth#Surface, Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), ...

and western

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

, with its greatest

species richness Species richness is the number of different species represented in an community (ecology), ecological community, landscape or region. Species richness is simply a count of species, and it does not take into account the Abundance (ecology), abunda ...

off

southern Australia Southern Australia is generally considered to consist of the states and territories of Australia of New South Wales, Victoria, the Australian Capital Territory (Canberra), Tasmania and South Australia. The part of Western Australia south of ...

. They are reddish in colour and somewhat resemble the related soldierfish. Depending on species, they may have a maximum length of . They are found at depths of . Members of this genus are also known from

fossils A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

from the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

.Fossils (Smithsonian Handbooks) by David Ward (Page 219)

Species

There are currently seven recognized

extant Extant or Least-concern species, least concern is the opposite of the word extinct. It may refer to: * Extant hereditary titles * Extant literature, surviving literature, such as ''Beowulf'', the oldest extant manuscript written in English * Exta ...

species in this genus: * ''

Centroberyx affinis The eastern nannygai (''Centroberyx affinis''), also known as the redfish, bight redfish, red snapper, golden snapper or koarea, is an alfonsino of the genus ''Centroberyx''. It is found around Australia and New Zealand at depths between on t ...

'' ( Günther, 1859) (Redfish) * ''

Centroberyx australis The yelloweye nannygai or yelloweye redfish (''Centroberyx australis'') is a member of the family Berycidae. It is native to the coast of southern Australia where it lives on the continental shelf A continental shelf is a portion of a conti ...

'' Shimizu & Hutchins, 1987 (Yelloweye nannygai) * ''

Centroberyx druzhinini ''Centroberyx druzhinini'' is a member of the family Berycidae found in the Western Indian Ocean and Western Pacific Ocean near Japan and New Caledonia New Caledonia ( ; ) is a group of islands in the southwest Pacific Ocean, southwest ...

'' (Busakhin, 1981) * ''

Centroberyx gerrardi The bight redfish (''Centroberyx gerrardi'') is a member of the order Beryciformes. It is native to the waters off of Australia's southern coast from off Lancelin, Western Australia to Bass Strait Bass Strait () is a strait separating the isla ...

'' ( Günther, 1887) (Bight redfish) * ''

Centroberyx lineatus The swallow-tail or kingfish (''Centroberyx lineatus'') is a member of the family Berycidae. It is native to the Indian Ocean and Western Pacific Ocean off of Madagascar and from Australia to Japan. It can reach sizes of up to TL. It can be fou ...

'' ( G. Cuvier, 1829) (Swallow-tail) * ''

Centroberyx rubricaudus ''Centroberyx rubricaudus'' is a member of the family Berycidae. Originally thought to be endemic to Taiwan, there has been a reported catch of ''C. rubricaudus'' at the Andaman Islands in the Indian Ocean The Indian Ocean is the third-lar ...

'' Chen-Hsiang Liu & S. C. Shen, 1985 * '' Centroberyx spinosus'' ( Gilchrist, 1903) (Short alfonsino)

References

Extant Cretaceous first appearances Marine fish genera Taxa named by Theodore Gill {{Beryciformes-stub