California Delta Fish Report
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Updated July 2, 2025
California Delta:
DELTA, San Joaquin side — Largemouth bass continue to be the highlight in the San Joaquin side of the Delta, and the frog bite is starting to improve. The Scum Trophy Series Popping Frog in bone has been producing up to 40 bass to 3.5 pounds working open water in the east Delta. There were three major tournaments on the San Joaquin side over the past weekend with winning limits pushing 25 pounds, but the average limit remains around 10 to 11 pounds. Numbers are possible with a variety of techniques including plastics, crankbaits, or topwater lures. The wind is a factor, and finesse techniques worked best when the wind dies, and the temperature rises to over 100 degrees. Small undersized striped bass are the rule, but the larger bass have vacated the central Delta with the warm 75-degree water temperatures. With lakes such as Camanche, Berryessa, and New Melones restricted due to golden mussels, recreational boat traffic has ramped up in the San Joaquin system, and the potential for more collisions in the narrow channels of the central Delta has increased exponentially.
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