Q:

Are fish cold-blooded?

A:

Quick Answer

Most fish are cold-blooded. “Cold-blooded" is a general term used to describe organisms that are unable to regulate their own body temperature. Instead, the organisms body temperature is solely affected by external temperatures, specifically the animals ambient surroundings.

Continue Reading
Are fish cold-blooded?
Credit: Kirt Edblom CC-BY-2.0

Full Answer

In contrast, warm-blooded animals are able to regulate their body temperature by converting the food they eat into energy and thus, create heat.

Although most people refer to all types of aquatic animals as fish, there are many exceptions. For instance, organisms such as seals, whales and dolphins are not considered fish; these three aquatic animals are also warm-blooded. In addition, certain fish such as salmon sharks, billfish and blueface tuna are partially warm-blooded. They are able to raise their temperature, but only in certain parts of their body such as their eyes and brain.

Learn more about Fish

Related Questions

  • Q:

    What do dragon fish eat?

    A: Dragon fish are carnivorous and have a large diet that includes crustaceans, especially shrimp, and at least 50 different species of fish. Dragon fish empl... Full Answer >
    Filed Under:
  • Q:

    What is the life cycle of a goldfish?

    A: Goldfish eggs hatch within 48 to 72 hours, and the fish may live as long as 15 to 25 years. Within a week, the young start to resemble goldfish more closel... Full Answer >
    Filed Under:
  • Q:

    Do fish have hearts?

    A: A fish has a heart, which acts as the center of its circulatory system, pumping blood throughout the body and transporting vital nutrients and oxygen to ce... Full Answer >
    Filed Under:
  • Q:

    What is fish farming?

    A: Fish farming is the commercial business of raising fish for human consumption. Fish are grown in tanks, ponds, cages and irrigation ditches. Also known as ... Full Answer >
    Filed Under:

Explore