What is Aquaculture?
NOAA — Aquaculture – often referred to as fish farming or shellfish farming – is the art, science, and business of cultivating aquatic animals in fresh or marine waters for consumption and to supplement commercial and recreational fisheries. About 70 percent of the aquaculture in the U.S. is fresh water farming of catfish and [...]
Fish Help Slow Global Warming With Gut Rocks
Scientists believe fish excrete lumps of calcium carbonate, known as “gut rocks,” that help maintain the ocean’s pH level.
By drinking salt water, fish ingest a lot of calcium, and they excrete more or less calcium carbonate depending on their size and the temperature of the water. “For a given total mass of fish, smaller fish [...]
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