The spiny water flea (Bythotrephes cederstr ̈mii) is a microscopic animal, also known as zooplankton, that lives in the water column of freshwater lakes and ponds.

The spiny water flea had almost immediate effects on zooplankton assemblage upon its introduction into the Great Lakes collapsing some Daphnia populations (Sikes, 2002).

The Spiny Waterflea and the Fishhook Waterflea are tiny freshwater crustaceans that threaten native fish populations by consuming a main food source, plankton. They are also a nuisance to anglers as …

Summarize current level of understanding on the biology and ecology of the spiny waterflea. Summarize current management options for the spiny waterflea in Michigan. Identify possible future directions of …

Spiny waterfleas live in fresh water habitats and prefer cold temperatures, but can tolerate both brackish and warm water. They have spread throughout the Great Lakes and have been found in more than …

Impact on ecosystem processes: Spiny sowthistle may delay natural successional processes or impede the establishment of native species in disturbed areas, but it is unlikely to significantly alter any …

introduced, disjunct populations. In Wisconsin, Spiny Softshells are the more common and widely distributed Softshell species, being found in most of the larger lakes and riverways statewide …