Gobionellus oceanicus

The highfin goby (Gobionellus oceanicus) is a species of fish belonging to the family Gobiidae.

Description
The highfin goby has a very long, thin body with a rounded snout. The species has a number of lightly marked lateral streaks along its body, called melanophores, which are variably present and variably paired on both sides of the body. Usually, the markings are indistinct and missing certain stripes.

Distribution and habitat
The highfin goby ranges north from Virginia, and rarely New Jersey, to southern Brazil. The species can be found in both freshwater and brackish water ranging in temperature from 11 °C - 29 °C