Periophthalmus argentilineatus, the barred mudskipper, is a species of mudskippers native to marine, fresh and brackish waters from the African coast of the Indian Ocean to the Marianas and Samoa in the western Pacific Ocean and from the Ryukyus south to Australia. This species occurs in mangrove forests and nipa palm stands and can cross surfaces of mud while out of the water. This species can reach a length of 19 centimetres (7.5 in) TL.