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Currently, in the watershed of the River Teles Pires, southern amazon (Mato Grosso), the most widely used technic to catch fishes belonging to “mantrinxa” is baiting. Most fisherman are using soybean in well-defined places to attract omnivorous fishes. The aim of our study was to evaluate potential savour and colour differences of wild matrinxas (Brycon falcatus) caught with or without feeding. Fish were caught in 2013 during the dry period in the Teles Pires River while attracting them with soybean and in the river Cristalino, without baiting them. Both size and weight of each fish were noted and fillets were removed to be cooked using a microwave. We used a triangular test to assess potential differences in flesh taste. We also used a modified colorimetric Salmofan© method to determine coloration of each fillet. Forty-two testers were selected for the sensorial (gustative) analyse and a significant difference was found regarding taste. We also detected differences in flesh coloration, with fish from the Cristalino River presenting colouration closer to salmon shades. Results indicated that baiting fish modify both colour and savour of matrinxas fillets

Impacto da ceva no sabor e coloração de filés do peixe matrinxã selvagem na bacia amazônica