The Riverwatcher Fish Counter

Vaki Aquaculture Systems Ltd. have been serving the fish farming industry with equipment for counting and estimating the weight of fish since 1986. Through continuous product development and customer contact, Vaki has adapted its products to new areas, and the fish counter for use in fish ladders, is one of our innovations. The Riverwatcher is based on the same technology that has been proven in exposed conditions in the aquaculture industry. It has been in use in Iceland, Scandinavia, Ireland, UK, USA, Canada, Spain, Portugal, Poland, the Czech Republic, Germany and Switzerland during the last few years with very good results.

Advantages

• Comparison of catch figures and the movement pattern of the fish to calculate the exploitation rate
• Comparison of the movement pattern of the fish from one year to another
• Evaluation of the results of rearing and smolt releases
• Assessment of the influence of different environmental factors
• Assessment of the efficiency of the fish ladder
• Valuable data for better fisheries management