It is sympatric , in respective areas , with the Mugger Crocodile ( Crocodylus palustris ) and the Saltwater Crocodile ( Crocodylus porosus ) . 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 .