Pond Boss Forums INTRO Questions & Observations bg and res stocking rates

Most times when fish people are selling BG+RES as a grouping the percentage is an estimate. On fish farms pond space is limited so some fish may be raised or held together until they are sold. In your case both BG+RES were possibly raised/hatched together in one pond, or both stocked together as small stocker fish to be raised to larger sizes. Many fish farms that I am aware of usually offer either BG or RES as separate items and not mixed together.

Your fish seller is probably 'marching' to his own method for selling BG-RES. Shop the web for examples. Fish farms deal with lots of fish and often they will get a few of another species mixed in with a one specie tank for sales. If a single species purchase is absolutely necessary it is best to hand sort the fish as you stock them. For small sized fish this requires detailed knowledge of individual features of each fish species.