Organisms Used in Water Purification - Fish

Fish

Different species required for each of 3 depth-zones. The fish need to be herbivores.

  • Surface
  • Middle
  • Bottom

Read more about this topic:  Organisms Used In Water Purification

Famous quotes containing the word fish:

    “Big fish eat small fish, and small fish eat shrimp eggs.”
    —Chinese proverb.

    “Wallowing in this bloody sty,
    I cast for fish that pleased my eye”
    —Robert Lowell (1917–1977)

    “Of all nature’s animated kingdoms, fish are the most unchristian, inhospitable, heartless, and cold-blooded of creatures.”
    —Herman Melville (1819–1891)