Systematic position (Nelson 2006) Phylum: Chordata Class: Actinopterygii (Ray-finned fishes) Order: Siluriformes (Catfishes) Superfamily: Sisoroidea Family: Sisoridae (=Bagariidae) (Sisorid catfishes) Subfamily: Sisorinae Genus: Sisor Species: S. rhabdophorus Common/local names English: Sisor catfish Bangladesh: Chenua (চেনুয়া), Cheuna (চেউনা) and Sisir (সিসর)