''Centroberyx'', often referred to as nannygais, is genus of ray-finned fishes found in the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by ...

and western

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

, with the greatest

species richness Species richness is the number of different species represented in an ecological community, landscape or region. Species richness is simply a count of species, and it does not take into account the abundances of the species or their relative ab ...

off

southern Australia The term Southern Australia is generally considered to refer to the states and territories of Australia of New South Wales, Victoria, Tasmania, the Australian Capital Territory and South Australia. The part of Western Australia south of lat ...

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

fossil 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 ...

s from the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

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

Species

There are currently seven recognized

extant Extant 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 * Extant taxon, a taxon which is not extinct, ...

species in this genus: * '' Centroberyx affinis'' ( Günther, 1859) (Redfish) * '' Centroberyx australis'' Shimizu & Hutchins, 1987 (Yelloweye nannygai) * '' Centroberyx druzhinini'' (Busakhin, 1981) * '' Centroberyx gerrardi'' ( Günther, 1887) (Bight redfish) * '' Centroberyx lineatus'' ( G. Cuvier, 1829) (Swallow-tail) * '' Centroberyx rubricaudus'' 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