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Is That a Fish?
What Are Fish? What does a fish look like? You might be surprised.
Fish can be very big or very small. This shark is the largest fish in the world. Like other fish, it has a backbone. It breathes through gills. It has fins to help it swim.
A Horse or a Fish? Some fish look like other animals. This fish is called a seahorse. The fin on the back of the seahorse beats very fast. This is how the seahorse moves around.
A seahorse uses its tail to grab onto plants in the water. It can hide in the plants where no hungry fish can find it.
A Snake or a Fish? This fish, called an eel, looks a lot like a snake. It swims by moving its whole body. It can swim forward and backward. It breathes by opening and closing its mouth to pump water over its gills.
