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F i s h. In and Out of Aquariums. For Ms. Cernosek’s 3rd Grade Science Class. What is a fish?. Fish are cold blooded organisms that live and breathe underwater. All fish have fins which balance the fish while they swim and scales that act like armor, to protect their bodies.

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f i s h

F i s h

In and Out of Aquariums

what is a fish

What is a fish?

Fish are cold blooded organisms that live and breathe underwater. All fish have fins which balance the fish while they swim and scales that act like armor, to protect their bodies.

fish need a place to live
Fish need a place to live!
  • Just like all living organisms, fish need a place to live.
  • The habitats fish live in are known as ecosystems.
  • Ecosystems can be large, like an ocean or small like an aquarium.
do fish need air
Do fish need air?
  • All living organisms need air to breathe.
  • Fish must have air to breathe in order to survive, just like you and me.
  • While we get oxygen from the air around us, fish get oxygen from the water around them!
  • Fish have gills which allow them to take the oxygen in water into their bodies.
  • Without oxygen, fish would not be able to breathe.
what about water
What about water?
  • Whether in the ocean or in an aquarium, fish need water to survive.
  • Some fish need warm water and some fish need cold water.
  • In an aquarium, it is important to keep fish at the right temperature so they do not get sick.

Fact: Water from your faucet has chlorine in it. This is harmful to fish and must be removed!

don t forget to feed the fish
Don’t forget to feed the fish!
  • Like all living things, fish need a food source.
  • In the wild, fish catch their own meal. Some fish eat other fish, some fish graze on plant matter.
  • In an aquarium, you supply the food source.
do fish need light
Do fish need light?
  • Most organisms need light in order to live and grow.
  • In the wild, aquatic plants use sunlight to produce food. In an aquarium, light bulbs work as artificial sunlight.
  • Plants, in the wild and in an aquarium provide food and shelter for fish.

Fact: Aquarium lights should be left on for no longer than eight hours a day.

taking the garbage out
Taking the garbage out...
  • All organisms need a way to dispose of waste.
  • In the wild, fish waste are used or diluted in the large quantities of water.
  • In an aquarium, filters and water changes remove waste from the water.

Fact: Of fish kept in aquariums, goldfish produce the most waste!

too many fish
All organisms need room to move and grow.

Without adequate room, all organisms can become sick and possibly die.

In an aquarium, fish need room to swim.

Tankmates will compete for food and space.

Many fish in a tank will also produce a lot of waste and use up the available oxygen.

Too many fish?
what makes a healthy happy fish
What makes a healthy, happy fish?
  • A healthy fish in an aquarium has:
  • Clean water
  • Food
  • Air
  • Light
  • Room to swim
fish books to read
Fish Books To Read

Rainbow Fish: Tattle Tale:Sonia Sander

Rainbow Fish: The Dangerous Deep by: Leslie Goldman

The Fish Book by:Christopher Angelfish

  • www.tea.state.tx.us/teks/
  • www.tetra-fish.com
  • Microsoft Office Design Gallery Live: http://dgl.microsoft.com/?CAG=1
  • (1993) Science Horizons-Sterling Edition. Dallas, TX: Silver Burdett Gin.
  • Parker, Steve. (1990). Fish. New York: Alfred A. Knopf.