Patent ID: 8813685

Claim:
A method for keeping fish in a live and healthy condition, the method comprising: introducing the fish into an endless flow fish tank or live well ( 100 ), comprising: a longitudinally elongate outer container ( 40 ); a longitudinally elongate inner container ( 30 ) having a bottom formed as a semi-circular channel shape and having a depth that is less than said longitudinally elongate outer container, positioned within the outer container ( 40 ), wherein the space inside the inner container defines a fish chamber, wherein the space between the inner container and outer container, defined by the difference in depths of said inner and outer containers, forms a flow return chamber, said fish chamber having an upstream end ( 31 ) with at least one flow inlet ( 32 ) and a downstream end ( 33 ) with at least one flow outlet ( 34 ), wherein said upstream end and said downstream end are on longitudinally opposite ends of said inner container; and a pump ( 20 ) located inside the outer container ( 40 ) but outside the inner container ( 30 ) with a pump outlet fluidly connected to the fish chamber inlet ( 32 ) and a pump inlet fluidly connected to the fish chamber outlet, and circulating the water through the fish chamber and flow return chamber.