This morning, Bronx River Alliance staff took a field trip to the Mianus River in nearby Greenwich, Connecticut to check out the fish ladder at the Mianus Pond Dam. The fish ladder enables anadromous fish, such as alewives and blueback herring, to overcome the dam in their migration upstream.
A fish ladder of similar scale is currently being built on the Bronx River at the 182nd St. dam, the first obstacle on the river, so that the migratory river herring can once again make it upstream to spawn in freshwater habitat.
Our team was lucky enough to see alewife using the ladder- the first sighting this season!
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