because the different types of fish need the different types of water, to find more about this I would use Google search engine.Hope it helps:)
Sharks are fish. Fish swim in 'schools'. Whales and dolphins are mammals. These swim in 'pods'.
Fish swim in schools. Other marine species, like whales and dolphins (which are mammals) swim in "pods"
Most tetra's swim in schools. Danios and barbs also swim in schools.
On occasion but often in schools or pods
Fish swim in schools.
schools cause groups of fish are always called schools
they swim in schools
They swim in schools.Some have colors that help them blend in to their surroundings. Others change colors to match their surroundings. Some swim very fast to escape the danger. Some fish swim in very tight schools to confuse other fish. Some fish hide in the rocks and plants so the bigger fish cant get to them. Some fish can hide in poisonous anemonies and they are not affected by the poison but other fish are.
Herrings do not swim along, they swim in great big schools, with fish numbering in the millions.
Fish do not go to schools, they swim in a group called a school.
Groups of fish are called a school of fish or a shoal of fish. example: The school of fish swam upstream.
Some have colors that help them blend in to their surroundings. Others change colors to match their surroundings. Some swim very fast to escape the danger. Some fish swim in very tight schools to confuse other fish. Some fish hide in the rocks and plants so the bigger fish cant get to them. Some fish can hide in poisonous anemonies and they are not affected by the poison but other fish are.