WASHINGTON, March 18 (TNSres) -- The U.S. Department of the Interior Geological Survey issued the following abstract of an article on February 22, 2025, entitled "First evidence of lake trout Salvelinus namaycush spawning aggregation in Ohio waters of Lake Erie following reintroduction." Here are excerpts: * * * Lake trout Salvelinus namaycush, an important apex predator native to Lake Erie, were extirpated by 1965 due to overexploitation, introduction of invasive species, and habitat degrada  more

WASHINGTON, March 18 (TNSres) -- The U.S. Department of the Interior Geological Survey issued the following abstract of an article on February 25, 2025, entitled "Reproductive biology of invasive grass carp (Ctenopharyngodon idella) in two North American systems." Here are excerpts: * * * Grass carp (Ctenopharyngodon idella) are nonnative, herbivorous freshwater fish that represent an ecological threat in North American waters. However, data are limited on reproductive biology specific to wil  more