Description

Also known as Blue Gudgeon, Dartfish, Dart Goby, Goby, Gudgeon, Hover Goby, Lyretail Dartfish, Lyretail Goby, Monocle Dartfish, Monofin Dartfish, Monofin Dartgoby, Monoptera Dartfish, Worm Goby.

Found in pairs, family groups, and large schools, hovering just above the bottom, close to their burrows, over coral, rock, and sandy, shallow coastal slopes, deep drop-offs, and slopes, of outer reef lagoons.
They feed on zooplankton.
Length - 12cm
Depth - 6-50m
Widespread Indo-West Pacific

These cute little fish usually in pairs hovering directly above the ocean floor, facing the current to catch their food.
When predators approach they dart back into their holes or under a rock. Ref: https://www.fishbase.se/summary/Ptereleotris-monoptera