This eel-like creature fastens itself to fish and sucks their blood. Within the past 25 years it has invaded Lake Huron and Lake Michigan and destroyed their teeming population of trout ...

such as the Pit-Klamath Brook Lamprey, that is land-locked, meaning that they do not migrate to the sea. These forms do not have a predatory adult form, but instead go rapidly from a ammocoete larvae ...

The ocean is home to some sea creatures that will likely give you a fright. Much of the ocean's marine life is yet to be discovered, with scientists estimating that a whopping 91% of ocean species ...

Grass carp make the water more turbid; stiltgrass and common reed can block sight lines and reduce property values; and sea ...

Infested tributaries must be treated every three to five years with lampricides to control sea lamprey populations. Prior to treatment, trained personnel collect data on stream water chemistry and ...

The information gathered during the survey will be used to determine the need for sea lamprey control. According to the U.S. Fish and Wildlife Service, sea lampreys invaded the Great Lakes ...

Yes, it's not industrial discharges, municipal sewage or chemical rain polluting the Great Lakes, according to Sea Grant New York. It's the non-native plant and animal species that have changed ...