River carpsucker

Species of fish

The river carpsucker is a freshwater fish belonging to the Catostomidae that is native to the inland United States and northern Mexico. This species has a slightly arched back and is somewhat stout and compressed. While the fins are usually opaque, in older fish they may be dark yellow. It is distributed along the Mississippi River basin from Pennsylvania to Montana. The river carpsucker, like most suckers, is a bottom feeder and obtains its nutrients from algae, microcrustaceans, and other various tiny planktonic plants and animals found in silty substrates. Like its congener, the quillback, the river carpsucker is long-lived, with a known maximum lifespan of 40 years in Colorado, and 47 years in Minnesota. It begins to reproduce typically in late spring, and the female usually releases more than 100,000 eggs. There is no parental care provided.

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