Q:

Do fish urinate?

A:

Quick Answer

Fish do urinate. It may be hard to tell that fish pee, because they live underwater, but if a tank starts to smell like ammonia after not being cleaned for a while, this is actually because fish do urinate.

Continue Reading
Do fish urinate?
Credit: Matt Kieffer CC-BY-SA 2.0

Full Answer

Saltwater fish urinate through their gills because of all the salt they take in; however, they urinate less than freshwater fish. Freshwater fish urinate through their urinary pores as a method to excrete the mass amount of water their bodies take in. In addition to ammonia, fish urine also contains amino acids, organic acids called creatine and creatinine and some urea.

Learn more about Fish

Related Questions

  • Q:

    Why are fish important?

    A: Fish are important because they contribute essential nutrients to their ecosystems, according to researchers at the University of Georgia and Florida Inter... Full Answer >
    Filed Under:
  • Q:

    Where do fish live?

    A: Fish live in almost every available body of water, including rivers, lakes, oceans and streams. The species of fish determines whether it lives in saltwate... Full Answer >
    Filed Under:
  • Q:

    Which fish are high in omega-3?

    A: Fish that are high in omega-3 fatty acids are fatty, coldwater fish such as salmon, tuna, black cod, tilefish, halibut, swordfish, mackerel, anchovies, sar... Full Answer >
    Filed Under:
  • Q:

    Do fish get thirsty?

    A: Fish, like nearly all living organisms, need to consume water in order to survive. However, fish do not feel thirsty in the same way that humans do. Instea... Full Answer >
    Filed Under:

Explore