In the 19th century, zoologist John Anderson saw schools of this bluish - gray dolphin, with its round, beakless head, in the Irrawaddy River in Myanmar (then Burma).
sajandil nägi zooloog John Anderson neid sinakashallide ümara pea ja ilma nokiseta delfiinide karjasid Myanmaris (tollases Birmas) Iravadi jões.