This article was originally published on Critter Science.

The Sacramento sucker, aka western sucker, is an inferiorly mouthed (lower positioned mouth) fish that hails primarily from lakes, rivers, and streams of California, but can also be found in Oregon and Nevada. They face the threat of water diversions that drastically reduce natural streamflows, while heavy groundwater pumping lowers […]

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This article was originally published on Critter Science.

Native to both fresh and salt water ecosystems, the lamprey is an invasive parasite that is capable of upsetting populations of fish in oceans, lakes, and rivers. During the 1940s a sharp increase in lampreys threatened and endangered a large number of commercial fisheries in the the Great Lakes because […]

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