genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of fish in the family
Gobiidae
Gobiidae or gobies is a family (biology), family of bony fish in the order (biology), order Gobiiformes, one of the largest fish families comprising over 2,000 species in more than 200 genus, genera. Most of gobiid fish are relatively small, typ ...
, the gobies. It is the only marine genus in the subfamily
Gobionellinae
The Gobionellinae are a subfamily of fish which was formerly classified in the family Gobiidae, the gobies, but the 5th Edition of ''Fishes of the World'' classifies the subfamily as part of the family Oxudercidae. Members of Gobionellinae mostl ...
, which otherwise includes mostly
estuary
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime enviro ...
-dwelling and
freshwater fish
Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes, ponds and inland wetlands, where the salinity is less than 1.05%. These environments differ from marine habitats in many wa ...
. ''Gnatholepis'' are
tropical
The tropics are the regions of Earth surrounding the equator, where the sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly overhead. This is because of Earth's ax ...
fish associated with sandy habitat around
coral
Corals are colonial marine invertebrates within the subphylum Anthozoa of the phylum Cnidaria. They typically form compact Colony (biology), colonies of many identical individual polyp (zoology), polyps. Coral species include the important Coral ...
D. S. 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 Universi ...
Gnatholepis pascuensis
''Gnatholepis'' is a genus of fish in the family goby, Gobiidae, the gobies. It is the only ocean, marine genus in the subfamily Gobionellinae, which otherwise includes mostly estuary-dwelling and freshwater fish. ''Gnatholepis'' are tropics, tro ...
'' J. E. Randall & D. W. Greenfield, 2001 (Rapanui goby)
* ''
Gnatholepis thompsoni
''Gnatholepis'' is a genus of fish in the family goby, Gobiidae, the gobies. It is the only ocean, marine genus in the subfamily Gobionellinae, which otherwise includes mostly estuary-dwelling and freshwater fish. ''Gnatholepis'' are tropics, tro ...