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For example, cattails only grow in places where the soil is saturated, such as along the margins of freshwater wetlands ... reptiles, and fish have shifted significantly throughout the globe.

Saltwater intrusion poses another threat, seeping into freshwater supplies and jeopardizing ... as warmer and more acidic oceans could reduce fish stocks, impacting billions of people dependent ...

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

A pending world-record alligator gar caught by Art Weston is the heaviest freshwater fish ever landed on 2-pound test.

Water type: Archerfish are brackish water fish, meaning they need water that is a mix of freshwater and saltwater. 2. Tank size: They require a large tank, to thrive. 3. Water parameters ...

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That sort of defines me.” All of George’s fish are endangered Rift Lake cichlids: colorful, freshwater fish native to the Great Lakes of East Africa. Inside his 42 tanks, expertly squeezed ...

Bacteria play key roles in degrading organic matter, both in the soil and in aquatic ecosystems. While most bacteria digest large molecules externally, allowing other community members to share and ...