Systematic position Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Siluriformes (Catfishes) Superfamily: Bagroidea Family: Ariidae (Tachysuridae) (Sea catfishes) Genus: Nemapteryx Species: N. nenga Synonyms Arius caelatus (Valenciennes, 1840) Arius nenga (Hamilton, 1822) Pimelodus nenga Hamilton, 1822 Tachysurus nenga (Hamilton, 1822)