With kite-like fins and a muscular body, the robalo were exceptionally hard-nosed fighters, and they ran as large as 20 pounds. They're also quite tasty. Depending on the tides, they would flood in and out of the river mouth by the dozens or hundreds. Using our standard 8-weight setups with sink-tip fly lines, a slow retrieve with a green "John Barr Slump Buster" fly pattern proved just the ticket.