Juvenile predator gets choice fish circling river

• Fish extolled in "Walden"
• Flesh of young or small pike
• Any of several North American species of small pike
• Redfin fish
• Ontario lake

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Sauger \Sau"ger\, n. (Zo["o]l.) An American fresh-water food fish ( Stizostedion Canadense ); -- called also gray pike , blue pike , hornfish , land pike , sand pike , pickering , and pickerel .

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"young pike," late 13c., diminutive of pike , the fish (see pike (n.3)), with French pejorative suffix -rel ; perhaps formed in Anglo-French.

WordNet Word definitions in WordNet
n. flesh of young or small pike any of several North American species of small pike