How many species exist in the ocean?
According to the World Register of Marine Species, WoRMS, the total number of marine species known to us is about 240,000 species (2021 census).
How many fishes are in the World 2022?
According to FishBase about 34,800 species of fish had been described as of February 2022, which is more than the combined total of all other vertebrate species: mammals, amphibians, reptiles and birds.
How many species of fishes are present?
What is a fish? A fish is any of approximately 34,000 species of vertebrate animals.