The spiny water flea is feeding on zooplankton is at risk of eliminating zooplankton species, and as zooplankton is the backbone of aquatic food chains, the Spiny Water flea presents a serious risk to the ecosystem of the North United States and Canada. The spiny water flea was found in the Great Sacandaga Lake (northern Fulton and Saratoga counties, in the Adirondacks) in 2008, Lake George in 2012 and Lake Champlain in 2014. Spiny Water Flea Resources. Aquatic Invasive Species: Spiny and Fishhook Water Fleas (Dec 2005) (PDF | 152 KB) Indiana Department of Natural Resources. AIS in Minnesota - Spiny Waterflea. This invasive species outcompetes native species for food, which can have cascading impacts to the entire food web. Spiny waterfleas (Bythotrephes longimanus) are aquatic zooplankton (small animals) from Europe and Asia that have invaded the Great Lakes ecosystem, as well as some inland water bodies.Adults range from ¼ to ⅝ inch long and they have a single long tail with 1-3 sets of small spines along its length. Below: Scale showing actual size of Spiny waterflea (bar represents 1 mm). Invasive Species - Spiny Water Flea. For more infomation or to report a sighting, call: 1-87-STOP-AIS-0 or 1(877)-867-2470. Spiny Water Flea (Bythotrephes longimanus) description. Both arrived in ships' ballast water from Eurasia. Photo credit: J. Liebig, NOAA GLERL. Spiny waterflea is an invasive zooplankton (tiny organisms that travel by wind and water currents) that originated from Eurasia. Spiny Water Flea Confirmed in Lake George on New York State Dept. of Environmental Conservation website.. Spiny Water Flea – Fact Sheet from the US Geological Survey Nonindigenous Aquatic Species website covers identification, nonindigenous occurrences, ecology, impact, and management of the species. Well, that’s kinda cool. There were two surprises. Sping Water Flea ISCM Fact Sheet Back to Aquatic Species List First was evidence that the spiny waterflea was consuming the larvae of invasive Dreissenid mussels, commonly known as zebra mussels or quagga mussels. We have one invasive species eating another invasive species. The spiny water flea (Bythotrephes cederstroemi) is not an insect but a crustacean with a long, barbed trail. University of Minnesota. NPS/Paul Brown. Minnesota Aquatic Invasive Species Research Center. The spiny water flea (SWF) is a free swimming, cladoceran zooplankton with a unique body structure. Invasive Species (IS) Information ... commonly known as the spiny waterflea (Bythotrephes longimanus; formerly identified as Bythotrephes cederstroemi), ... consuming up to 20 prey zooplanktors per day. Spiny Water Flea Effects - an article on "The spread, … “That’s a neat story. https://dnr.wisconsin.gov/topic/Invasives/fact/SpinyWaterFlea.html One major target species of Bythotrephes is Daphnia (another small water flea). Displaying 1 to 20 of 23 Search Help. Spiny (Bythotrephes longimanus) and fishhook (Cercopagis pengoi) waterfleas are small predacious crustaceans that threaten aquatic ecosystems and fishing by competing with native fish for food and fouling gear. Its average length is only about one centimeter, but its long tail spine (70% of animal's total length) makes it easily distinguishable from other invertebrates and zooplankton. Oneida Lake has a new invasive species to contend with – the spiny water flea. Resources. 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