 The genus name Crocodylus comes from the Greek kroko which means a pebble and deilos , a worm or man , referring to the knobbly appearance of the dorsal surface of the reptile . The specific epithet novaeguineae is from the Latin and means " of New Guinea " . Other common names for this crocodile include New Guinea freshwater crocodile , Singapore large grain , Puk Puk , Buaya air tawar and Wahne huala . 
