Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Perciformes (Perches) Family: Gobiidae (Gobies) Subfamily: Gobionellinae Genus: Gobiopterus Species: G. chuno Synonym: Gobius chuno Hamilton, 1822 Conservation status: Not threatened in Bangladesh (IUCN Bangladesh, 2000). Morphology: Body elongated with depressed