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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.
The Michigan Department of Natural Resources implemented the Fish Disease Control Order (Fisheries Order 245) on March 21, 2019. It was added to the NREPA to provide further protection of Michigan waterways, fish hatcheries, and aquatic species against aquatic diseases and invasive species.
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 ...
Pseudorasbora parva Temminck & Schlegel, 1846 (Stone moroko, topmouth gudgeon) Pseudorasbora pugnax Kawase & Hosoya , 2015 [ 3 ] Pseudorasbora pumila Miyadi , 1930 (Moroco)
The Asian Tiger Mosquito can transmit diseases such as West Nile virus, Zika virus, Chikungunya, and Dengue fever to humans as well as heartworm to pets, according to the PHF.
Non-native invasive species can disrupt ecosystems because they do not have natural predators, or other ecological checks-and-balances. Thus, with less competition from native species, non-native populations can explode. [9] Invasive insects and pathogens have eliminated entire tree species from forests of the United States in as little as decades.
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.