Atlantis is a mythical place, therefore there may be any number or none.
Different species of fish have different numbers of chromosomes. Try asking for a specific species of fish and someone will help you.
There are over 30,000 species of fish.
It depends on what kind of fish you are talking about. There are many different specie of fish.
More than 4400 species
It depends on what kind of fish you are talking about. There are many different specie of fish.
You need to crossbreed as many fish as you can, to get as many different species as you can. Just luck I guess.
Thousands of species.
There are many different species, to many to name. The main catigories are mammals, reptiles, birds, cartalagouness fish, boney fish, and insects.
There are about 450 different species of birds, 430 different species of fish and including marine animals about 100 different mamals.
There are about 40 different species native to various tropical waters
900+
Different species of fish need different foods and find/capture their food in many different ways.