Boleophthalmus is a genus of mudskippers native to the Indian Ocean and the western Pacific Ocean.
Boleophthalmus pectinirostris, commonly known as the great blue spotted mudskipper, is a species of mudskipper native to the north-western Pacific Ocean. It can be found on the coastlines of Japan, eastern China, Sumatra, Malaysia, Taiwan and the Korean Peninsula.
Individuals of B. pectinirostris are predominantly greenish-grey in colour, with prominent sky blue speckles across their body, including their fins and on the skin below their eyes.
