A Denil fishway in Dunnville, Ontario was built to provide upstream passage for walleye Stizostedion vitreum from Lake Erie to the Grand River. Modest numbers of walleye have been observed to use this fishway.
Mannheim Fishway Passage
We compared two Denil fishways, located on the west (low velocity – 10 % slope) and east (high velocity – 20% slope) side of the Mannheim weir, Grand River, Ontario
Fish Movement at the Springbank Dam: Before-After Study
The City of London and the Upper Thames River Conservation Authority contracted Biotactic Incorporated to design and conduct a study to collect baseline data related to fish movement
Sea Lamprey Telemetry Noise and Range Tests
In September of 2007, we performed acoustic tests in the St.Mary’s and Mississagi Rivers to determine the feasibility and logistics of an ultrasonic telemetry study of the movement of sea lampreys at various locations
Blue Sucker Tracking
In October 2004 we implanted thirty Texas state endangered blue suckers (Cycleptus elongatus) with radio transmitters that we (Bio-West, Austin and Biotactic) monitored continuously
Fish Passage in Brazil
In November 2012, and again in 2019 we assisted our very good friends at Simbiota in Southern Brazil with some very exciting fish surgery,
Welland River Siphon (Aqueduct) White Sucker and Walleye Tracking
Biotactic and the Ontario Ministry of Natural Resources radio-tagged 30 adult White Suckers and 10 adult Walleye on April 10th, 2014.
Fisheries Offsets and Compensation- Bruce Power
Biotactic devised and developed a Before-After-Control-Impact (BACI) study for the Bruce Power Nuclear Generating Station to offset and compensate for fisheries impacts associated with nuclear