Complex sentence: The Caspian goby, "Neogobius caspius", is a Ponto-Caspian species of family Gobiidae, generally found in the brackish waters of the Caspian Sea.
Split into simpler sentences: The Caspian goby, "Neogobius caspius", is a Ponto-Caspian species of family Gobiidae. The areal of the goby is brackish waters of the Caspian Sea.