The Free Online Aquaculture Dictionary

Auger / Fish lift
auger-1.jpg (15039 bytes)  Auger type fish lift used to transfer fish from one raceway to another
 
auger2.jpg (12993 bytes)  Auger used to empty and harvest shrimp pond
 
auger4.jpg (35530 bytes)   Auger used to lift fish from outlet channel into grader