Triaenophorichthys Gill, 1859 Triaenophorus Gill, 1859 Triaenopogon Bleeker, 1874 Trifissus Jordan & Snyder, 1900 Trigonocephalus Okada, 1961 Tridentiger is a genus of fish in the subfamily of gobies called the Gobionellinae, known commonly as the tripletooth gobies.

[1] These fish are native to the coastal waters of China, Japan, and Korea, where they live in brackish habitat types.

They are often dominant members of the local fish fauna.

[2] These gobies are generally under 10 centimeters long.

They have tricuspid outer teeth on their upper and lower jaws.