An online fish bidding platform increases sales channels for fishery catch during the off-season and post-pandemic period. Through transparent online transaction data, reducing extortion and exploitation imposed on fisherfolks by bidding salespeople. FISHER uses big data analysis to inform fisherfolks of market supply and demand data and the seasonal demand for fish farming, and therefore reduces the problem of excess fish production, slow sales, and low sales prices. In addition, FISHER consolidates all kinds of catch histories to increase consumers' trust in buying fish online.