弓鳍鱼

[ noun ]
primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
<noun.animal>

Bowfin \Bow"fin`\, n. (Zo["o]l.)
A voracious ganoid fish ({Amia calva}) found in the fresh
waters of the United States; the mudfish; -- called also
{Johnny Grindle}, and {dogfish}.

Amia \Am"i*a\, n. [L., fr. Gr. ? a kind of tunny.] (Zo["o]l.)
A genus of fresh-water ganoid fishes, exclusively confined to
North America; called {bowfin} in Lake Champlain, {dogfish}
in Lake Erie, and {mudfish} in South Carolina, etc. See
{Bowfin}.