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The stone moroko (Pseudorasbora parva), also known as the topmouth gudgeon, [1] is a fish belonging to the Cyprinidae family, native to Asia, but introduced and now considered an invasive species in Europe and North America. The fish's size is rarely above 8 cm and usually 2 to 7.5 cm (0.79 to 2.95 in) long.
Sphaerothecum destruens (the rosette agent) is a parasite of fish. [1] [2] It was first discovered in the United States in association with invasive species including topmouth gudgeon, but was found to be the causative agent of a disease in the UK affecting salmonid species such as Atlantic salmon and brown trout.
Abby Deneau points out a large patch of invasive knotweed on Tuesday, Aug. 2, 2022, at Grand Woods Park in Lansing. Michigan's invasive species watchlist includes information on several bugs ...
The state of Michigan defines an aquatic invasive species as "an aquatic species that is nonnative to the ecosystem under consideration and whose introduction causes or is likely to cause economic or environmental harm or harm to human health". [1] There are approximately 160 invasive aquatic species residing in Michigan. [2]
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Gobio gobio, or the gudgeon, is a species of fish in the family Cyprinidae. This small fish is widely distributed in fresh-water streams and lakes across central and temperate Eurasia. The gudgeon inhabits various fresh-water habitats with sandy bottoms. It is a gregarious species, and feeds on benthic invertebrates. Its life span is up to five ...
Japanese knotweed is seen in flower. Yellowish-white flower spikes appear in August and September, making now the best time of year to identify and report occurrences of this invasive species.
Gudgeon is the common name for a miniature barbel and a number of small freshwater fish of the families Butidae, Cyprinidae, Eleotridae or Ptereleotridae. Most gudgeons are elongate, bottom-dwelling fish , many of which live in rapids and other fast moving waters; however, many can be found in still waters.