The gobies form the family Gobiidae, which's one of the largest families of fish, with more than 2,000 species in more than 200 genera. Most are relatively small, typically less than 10 cm (4 in) in length. Gobies include some of the smallest vertebrates in the world, like species of the genera Trimmaton and Pandaka, which are under 1 cm (3/8 in) long when fully grown. There're some large gobies, such as some species of the genera Gobioides or Periophthalmodon, that can reach over 30 cm (1 ft)… (More on Goby)