The Fish

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Fishes live in water.
There are two  types of fish freshwater and saltwater.
 They are vertebrates, have a backbone.
 The main parts of the fish are heart ,gill, brain, mouth, stomach.
 Fishes breathe using gills, they extract oxygen from water around them.
 Have a streanlined body , which is divided into head trunk and tail.
 The fishses have fins .
 The outer body of many fish is covered with scales.
 They are oviparous.
 They can be carnivorous (eat meat), hervivorous (eat plants) or omnivorous(eat variety of meat  and plants).

Usually males and females  of the same species are different colours or have a different body shape .

Many fishses have excellent vision.

 They have nolstrils and are able to detect odors in water.

 The fishses may or may not have teeth depending of the species.

 They have lateral line. They used to detect movement and vibration in surrounding water.