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Think Tank: Chilling in the Cross River and still finding bugs
It’s a chilly 30 degrees Fahrenheit in New York City’s East of Hudson watershed today. Ihor Szholar, from Croton Watershed Trout Unlimited, and I took a short hike from the Trailside Museum to the Cross River. Equipped with a kick net, waders, small bucket, and hopes for finding what we came for: Benthic stream Macroinvertebrates.…
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Killer instincts? Not yet!
The NYC and Watersheds TIC virtual trout tank fry have lost their yolk and are swimming up to the surface of the tank. These important clues tell us that they are ready for food. Trout in the Classroom fry eat fish food called meal and crumbles. They are made from cuttings from seafood harvested for consumption.…
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Adipose fins are meant to be
The NYC and Watersheds Trout in the Classroom virtual trout tank's alevin are looking great and especially active today. At closer look we noticed that they have developed strong fins. Eight fins to be exact. Why are these fins so important? Not only does every fin have a function and purpose, ichthyologists also rely on meristic characters, or countable structures, such as the numbers…
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