Question 1

What are fish?

Accepted Answer

Fish are animals that live in water and have a backbone. They usually have fins and scales and use gills to breathe underwater.

Question 2

How do fish breathe underwater?

Accepted Answer

Fish take in water through their mouths and push it out through their gills. The gills take oxygen from the water and let fish breathe.

Question 3

Why do fish have fins?

Accepted Answer

Fins help fish to swim. They use their fins to steer and to stop, a bit like how we use our arms and legs in the water.

Question 4

What do fish eat?

Accepted Answer

Fish eat all kinds of things depending on the type of fish. Some eat plants and algae, while others eat smaller fish or insects.

Question 5

How do fish sleep?

Accepted Answer

Fish don't sleep like we do, but they rest. They usually find a safe spot and stay still for a while, which helps them save energy.

Question 6

Why do fish have scales?

Accepted Answer

Scales protect fish like a shield. They help keep fish safe from cuts and scrapes as they swim around.

Question 7

Can fish see in the dark?

Accepted Answer

Some fish can see in very low light, like deep-sea fish or those who live in murky waters. Their eyes are special and can see even when it's dark.

Question 8

Why do fish swim in schools?

Accepted Answer

Fish swim in schools to stay safe from predators. Being in a group makes it harder for predators to pick out one fish to catch.

Question 9

Do fish have ears?

Accepted Answer

Fish don't have ears like ours, but they can hear. They have special organs inside their bodies that help them detect sounds in the water.

Question 10

How do fish communicate?

Accepted Answer

Fish communicate in different ways. Some use sounds, some change colors, and others move their bodies to send signals.

Question 11

What makes a fish a fish?

Accepted Answer

Fish have gills for breathing, fins for swimming, and most have scales. They live in water, which is their home.

Question 12

Why are some fish brightly colored?

Accepted Answer

Bright colors can help fish blend in with their surroundings or warn predators to stay away. Some fish use colors to attract mates too.

Question 13

How do fish move so fast?

Accepted Answer

Fish have strong muscles and flexible bodies that help them swim quickly. They use their tails to push through the water.

Question 14

Do fish have a heart?

Accepted Answer

Yes, fish have a heart that pumps blood around their bodies. This blood carries oxygen from their gills to the rest of their body.

Question 15

Can fish feel pain?

Accepted Answer

Scientists believe that fish can feel pain. They have nerves that sense when they are hurt, similar to us.

Question 16

How do baby fish grow?

Accepted Answer

Baby fish, called fry, usually come from eggs. They grow by eating food and getting bigger, just like other young animals.

Question 17

Why do fish keep their mouths open while swimming?

Accepted Answer

Fish keep their mouths open to let water flow over their gills. This helps them breathe continuously while they swim.

Question 18

Are all fish cold-blooded?

Accepted Answer

Yes, most fish are cold-blooded, which means their body temperature changes with the water around them.

Question 19

How do fish protect themselves?

Accepted Answer

Fish protect themselves in many ways, like hiding, swimming fast, or using camouflage. Some even have sharp spines to ward off predators.

Question 20

Why are there so many different kinds of fish?

Accepted Answer

There are many kinds of fish because they have adapted to live in a lot of different environments, like rivers, lakes, and oceans. This means each type of fish has special features to help them survive where they live.

The Science of Fishes - 20 FAQs Explained Simply