Improve Fish Passage with the Flexi Baffle We can help you get fish and other aquatic organisms past culverts. Second to dams, culverts are the most significant problem for fish and other aquatic organisms accessing important habitats. Anadromous species, such as salmon, shad and lamprey can be excluded from spawning grounds.  Poor culvert passage conditions … Continue reading Flexi Baffle – Culvert Baffles