Tryssogobius colini

Tryssogobius colini, commonly named "Colin's fairygoby" or "tiny dartfish," is a species of fish in the genus Tryssogobius. It can be found in the tropical western Pacific Ocean. The species may grow to an average length of 3.5 cm. The tiny dartfish is generally a pale blue-gray color with various light blue or violet spots on its fins and head.