Science
How many species of fish are in the ocean?
32,000
Background
The oceans contain about 32,000 fish species. Scientists still discover new ones every year. The biggest fish is the whale shark at up to 13 meters long. The smallest fish measures just eight millimeters.
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