There are various types of fish, such as fish that act in a group and fish that act alone.

■Fish that act in large school

There is no place for fish to hide near the water surface and in the middle area of underwater.
Migratory fish living near water surface and in the middle area of underwater form a school to protect themselves from external enemies.
By making a school of fish, the fish can hide from each other.

Small fish gather to protect each other

■Fish that act in small school

Before and after the spawning season, several males and females gather to form a small school.
After spawning, it will act alone.

Now laying eggs

■Fish acting alone

The fish that live in the obstacles act alone.
It has a specific hole etc. for habitat, and when other fish come close to it, it will drive away with sharp teeth and body.

My territory