Science
What percentage of all vertebrates on Earth are fish?
Around 50 percent
Background
Around half of all vertebrates on Earth are fish. There are more fish species than all mammals, birds and reptiles together. Many live deep in the ocean and are still unknown. The sea is like one huge, wet zoo.
More Science questions
How many hearts does an octopus have?
See questionWhere is the driest place on Earth?
See questionWhat percentage of Earth has never been mapped by humans?
See questionHow many kilometers does light travel in one second?
See questionHow many kilometers tall is the tallest known mountain in the Solar System?
See questionHow many liters of air does an adult breathe in on a calm day?
See question