Original: They are sympatric with the Mugger crocodile (Crocodylus palustris) and formerly used to be with the Saltwater Crocodile (Crocodylus porosus) in the delta of Irrawaddy.
Simplified: It is sympatric, in respective areas, with the Mugger Crocodile (Crocodylus palustris) and the Saltwater Crocodile (Crocodylus porosus).