''Gephyroberyx'' is a genus of fishes in the

slimehead Slimeheads, also known as roughies and redfish, are mostly small, exceptionally long-lived, deep-sea beryciform fish constituting the family Trachichthyidae, coming from the Ancient Greek τραχύς (''trakhús''), meaning, "rough" and ἰχθ ...

family.

Species

Once, three species were placed in this genus, but ''Gephyroberyx philippinus'' is now considered to be a

synonym A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...

of ''G. darwinii''.Kim, B.J., Go, Y.B., and Imamura, H. (2004). First record of the Trachichthyid Fish, Gephyroberyx darwinii (Teleostei: Beryciformes) from Korea. Korean J. Ichthyol. 16(1): 9-12. Based on broadly overlapping morphological features, ''G. japonicus'' should also be regarded a synonym of ''G. darwinii'', but both are recognized as valid species by

FishBase FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.

: * '' Gephyroberyx darwinii'' ( J. Y. Johnson, 1866) (Darwin's slimehead) * '' Gephyroberyx japonicus'' ( Döderlein, 1883) (big roughy)

References

Trachichthyidae Taxa named by George Albert Boulenger Ray-finned fish genera {{Beryciformes-stub