Walking fish

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(Zool.) any one of numerous species of Asiatic fishes of the genus Ophiocephalus, some of which, as Ophiocephalus marulius, become over four feet long. They have a special cavity over the gills lined with a membrane adapted to retain moisture to aid in respiration, and are thus able to travel considerable distances over the land at night, whence the name. They construct a curious nest for their young. Called also langya.

See also: Walking

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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The recalled frozen fish includes Yellow Walking fish that was imported to the U.S.
AX!PROFESSOR Real name: Axolotl These 'walking fish' can regenerate not just their limbs but their jaws, spines and even brains.
Tomorrow, catch the Llygaid #15 night at the Blue Bell in Conwy with Mexican Walking Fish and LazyEye.
The third place was bagged by the axolotl, a Mexican amphibian also called the "walking fish".
Joanne Bodin (author); WALKING FISH; Outskirts Press (Fiction) ISBN: 9781432761981
"Wally The Walking Fish Meets Madison and Cooper" is a delightful children's book about a special type of catfish who actually "walks" on land for up to days at a time.