The Collaborative International Dictionary of English v.0.48:

Langya \Lan"gya\, n. (Zool.) [Native name Anglicized.]
   One of several species of East Indian and Asiatic fresh-water
   fishes of the genus Ophiocephalus, remarkable for their
   power of living out of water, and for their tenacity of life;
   -- called also walking fishes.
   [1913 Webster]