Glossogobius is a genus of gobies native to fresh, brackish and marine waters from Africa to the coasts of the western Pacific Ocean. They are found in Madagascar, South Africa, Japan, Thailand, Australia, Indonesia, Bangladesh, the Philippines, Taiwan, Papua New Guinea, Singapore, Malawi, Eswatini, Botswana, Kenya, Zimbabwe, Tanzania, Mozambique, the Solomon Islands, Palau, Fiji, New Caledonia, India, Laos, Sri Lanka, Myanmar, Borneo, Nepal, Brunei Darussalam, Micronesia, Cambodia, Vietnam, China, Réunion, the Seychelles, Mauritius, the Caroline Islands, Vanuatu, Malaysia and Russia. The genus also includes a troglobitic species, G. ankaranensis.

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