Over 1,000,000,000
You can predict but may be not accurate
collection of fish are called shoal or school
100 spiecies
Sea fish don't live in rivers because rivers don't have coral or any sea plants. The sea plants are vital for some fish. That and some of the sea fish are to big for rivers.
Betta fish was first found in the rivers of Thailand.They are basically river water fish.......
There are many types of animals that live in rivers. Raccoons, snakes, fish, frogs, platypus, and otters are all animals that stay in the rivers.
The Tiger fish come from West Africa. Places like Cameroon in the many rivers and tributaries.
People have found small jellyfish living in rivers and lakes, but this uninformed. But there has been many documented researches of certain types of poisonous or non-poisonous jellyfish entering into chesapeake bay during the summer.
Rivers are important because you can get water and fish
The rivers are important because the people like to fish so they need river to fish , and well you need a river to fish and you could get all little fish and then you can do whatever you want with them.
Without waterfalls and rivers, we woudn't have freshwater fish,plants.
They fish in the rivers and use the water for many showering, cooking and such
Fish.
If there aren't a lot of fish left then there won't be a lot of fish babies and if fish goes extinct then there's no food for us and nothing left to populate rivers.