''Tridentiger'' is a genus of fish in the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

of gobies called the

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 mos ...

, known commonly as the tripletooth gobies. These fish are native to the coastal waters of

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

, and Korea, where they live in brackish habitat types. They are often dominant members of the local fish fauna. Some are known as

invasive species An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ...

in North America. These gobies are generally under 10 centimeters long. They have tricuspid outer teeth on their upper and lower jaws.

Species

There are currently 9 recognized species in this genus: * '' Tridentiger barbatus'' Günther, 1861 (Shokihaze goby) * '' Tridentiger bifasciatus''

Steindachner Franz Steindachner (11 November 1834 in Vienna – 10 December 1919 in Vienna) was an Austrian zoologist, ichthyologist, and herpetologist. He published over 200 papers on fishes and over 50 papers on reptiles and amphibians. Steindachner describ ...

, 1881 (Shimofuri goby) * ''

Tridentiger brevispinis ''Tridentiger brevispinis'' is a species of goby native to marine, brackish and fresh waters along the coasts of northeastern Asia. This species can reach a length of TL. It is important to local commercial fisheries. References bre ...

'' Katsuyama, R. Arai & M. Nakamura, 1972 * ''

Tridentiger kuroiwae ''Tridentiger kuroiwae'' is a species of goby endemic to Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by t ...

'' D. S. Jordan & S. Tanaka (I), 1927 * ''

Tridentiger microsquamis ''Tridentiger'' is a genus of fish in the subfamily of Gobiiformes, gobies called the Gobionellinae, known commonly as the tripletooth gobies. These fish are native to the coastal waters of China, Japan, and Korea, where they live in brackish ha ...

'' H. W. Wu, 1931 * ''

Tridentiger nudicervicus The bare-naped goby (''Tridentiger nudicervicus'') is a species of goby native to marine and brackish waters along the coasts of eastern Asia. This species can reach a length of TL. References bare-naped goby Fish of Japan Fish of C ...

'' Tomiyama, 1934 (Bare-naped goby) * ''

Tridentiger obscurus The dusky tripletooth goby (''Tridentiger obscurus'') is a species of goby native to marine, fresh and brackish waters along the coasts of Korea and Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in ...

'' Temminck & Schlegel, 1845 (Dusky tripletooth goby) * '' Tridentiger radiatus'' R. F. Cui, Y. S. Pan, X. M. Yang & Y. Y. Wang, 2013 Cui, R., Pan, Y., Yang, X. & Wang, Y. (2013)
A new barbeled goby from south China (Teleostei: Gobiidae).
''Zootaxa, 3670 (2) 177-192.'' * ''

Tridentiger trigonocephalus The chameleon goby (''Tridentiger trigonocephalus'') is a species of ray-finned fish native to marine and brackish waters along the coasts of eastern Asia. It has also spread to other parts of the world where it is found in waters with varying ...

'' T. N. Gill, 1859 (Chameleon goby)

References

Gobionellinae * * * {{Gobionellinae-stub