### Clue: Juvenile predator gets choice fish circling river (8)
### Answer: PICKEREL 
 ### Explanation: Definition: Juvenile predator
 PICK(choice/the finest out of a group of similar items) + EEL(the slippery fish with an elongated body) **containing**(circling) R(abbrev. for "river").
Defn: …/the young of pike, a predatory fish with an elongated body.