Fish
Science: Year 3 & 4 National Curriculum, topic 6.2.4
Features of Fish
Fish are vertebrates. Remember, vertebrates are animals with backbones. Some of the features of fish are:
Fish lay eggs
- Fish lay eggs that their young (babies) hatch from.
Fish have gills
- Gills are what fish use to breathe.
- The openings on the shark's neck are the gills.
Fish have scales
Fish have fins
- Fish use fins to move through the water.
Fish are cold-blooded
- Fish are cold-blooded.
- Cold-blooded animals can't create their own body heat.
- The body temperature of cold-blooded animals changes with the temperature of the environment.
Common Fish
You have already learned what fish are. Some common fish are:
Goldfish
Swordfish
Clownfish
Lionfish
Test yourself on Fish
Which of these is true about the young of fish?