The correct option is A Eel
All fishes belonging to order Anguilliformes are commonly called as "Eel". Anguilla (order Anguillliformes) is also called as "eel". Labeo rohita is commonly called as "Rohu", while Hilsa is the common name of Tenualosa ilisha. Harpadon nehereus is a marine lizardfish, commonly called as Bombay duck. Thus, the correct answer is option A.