Select from options: Continue writing the next sentence.

How to breed livebearing tropical fish
Select the species you would like to breed.
Several varieties of livebearers are available from most pet stores, including guppies, platies, mollies, swordtails, and endlers. All of these have similar needs.

OPTIONS:
I. Figure out your fish's specific needs before breeding them so that you can breed them together. Some types of livebearers-birds, shrimp, turtles, amphibians-live in tropical environments.;
II. Choose several livebearers based on your needs, regardless of what type of fish you choose. To choose multiple livebearers, inspect the specific species you would like to breed to figure out the potential cost.;
III. Choosing the species that best meets your needs will help you make the best use of your time. Tropical livebearers are approximately 7.8 feet (2.7 m) in length.;
IV. Whichever variety you select, ask for a 50/50 mix of males and females. Livebearers will do well in a standard 20-30 gallon tank setup.;
Answer:
IV.