The varuna of the Hindus, riding on a fish, the Neptune of the Greeks, and the Chinese Hai-vang, or king of the sea, reposing on the waves, with a fish in his hand, are unquestionably one and the same personage.
"Travels in China, Containing Descriptions, Observations, and Comparisons, Made and Collected in the Course of a Short Residence at the Imperial Palace of Yuen-Min-Yuen, and on a Subsequent Journey through the Country from Pekin to Canton"
John Barrow
Even so sturdy a personality as Indra is declared to be the same as Agni and as varuna, and probably every deity in the Vedic pantheon is at some time identified with another deity.
"Hinduism and Buddhism, Vol I. (of 3) An Historical Sketch"
Charles Eliot
5. varuna, Commander C. S. Boggs.
"Admiral Farragut"
A. T. Mahan