Definition of "longfin" [longfin]

• Any member of the family Plesiopidae of elongated perciform fish. (noun)

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• "The New Zealand longfin eel, is one of the most important creatures in the faith of the New Zealand Maori, and one of the longest-lived and largest freshwater fishes in the world (they can grown seven feet long, and have been aged at 104 years)."
• "In New Zealand, western scientists are trying to outfit large migratory eels with tags in order to track them on their oceanic journeys and find the place where they reproduce (in the case of the longfin eel the spawning location is thought to be over a thousand miles north near the island of New Caledonia)."
• "But whether today or a month from now, there's a good chance that restrictions will be imposed to prevent a problem from occurring, whether because of longfin smelt or because of one of the other endangered and threatened fish that the pumps put at risk."