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  • Northern Pikeminnow Telemetry
    In early June 2021 CART tags were surgically implanted into 58 Northern Pikeminnow to help identify locations for...
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  • Salmonid Redd Counts in the Saugeen River
    Biotactic has been performing redd counts within the Saugeen River watershed since 2018. Surveys are conducted by trained...
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  • Black Redhorse Ecology
    In October 2007 a large pool in the Grand River near Kitchener, Ontario was sampled using seine nets...
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  • Public Participation Opportunities
    The Truax Dam, which was located on the Saugeen River in Walkerton, Ontario, for over a century was...
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  • Dam Effects on Benthic Fishes
    The biology, microhabitat use and migratory behaviour of greenside darters (Etheostoma blennioides) was studied at the Mannheim Weir
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  • Fishway Attraction Enhancement
    Two Denil fishways on the Grand River, Ontario, have been monitored for activity by several dozen fish species...
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  • Teeswater River Mussel Relocation
    From 2015-2017 Biotactic performed a mussel relocation project in the Teeswater River as part of the reconstruction of...
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  • Fish Movement in the Welland River Watershed
    Starting in 2001 Biotactic, with the Niagara Peninsula Conservation Authority (NPCA) and Niagara Restoration Council, has monitored the...
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  • fish abdominal discolouration
    Exposure to a Common Urban Pollutant
    In this study we exposed creek chub (Semotilus atromaculatus), a widespread tolerant stream minnow, to various realistic concentrations...
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  • Upstream Transportation of Sea Lampreys
    A video-based fishway monitoring system was used for five years (2011-2015) to count migrating salmonids that inadvertently transported...
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  • Fish Passage in Brazil
    In November 2012, and again in 2019 we assisted our very good friends at Simbiota in Southern Brazil...
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  • Black Redhorse Ontogeny
    Adult Black Redhorse (Moxostoma duquesnei), were seined from the Grand River, Ontario and artificially spawned in May 2007...
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