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Showing posts from September, 2026

Fish Passage Portal: Are You Getting the Right Fish Upstream?

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We get asked a version of this question more often than most: does the passage structure at our site actually know which fish it is passing? The answer, at most conventional facilities, is no. A fish ladder or fish elevator moves fish upstream. It doesn't ask who they are. It doesn't distinguish a native Chinook Salmon from an invasive American Shad. It doesn't generate a record that tells you the answer afterward. At Whooshh Innovations, we built the fish passage portal concept around a different premise: a passage structure should be an active management tool, not a passive corridor. What is the Purpose of Fish Passage Portal  The PassagePortal systems, both the Model F floating platform and the Model L land-based installation, integrate fish entry, AI classification, selective sorting, and MigratorTube transport in a single platform. Fish enter volitionally through the ASPFishway, attracted by a tailrace-sourced current positioned within the natural migration corridor. F...