Why We Can Experiment Easily on Guppies

Guppies were used in crossbreeding experiments about inheritance. Why was that done so many times?

There are three main reasons why guppies were used in crossbreeding experiments about inheritance.

Guppies live long and can adapt to their environment instantly. Also, big supplies of food are not needed, because guppies are small fish and they are cheap. Therefore, many people can keep them easily.

It is said that they can breed very fast. The gestation period is from 21-30 days.

There are a variety of different colored and patterned guppies. So when you experiment, you can enjoy having various possibilities.

Guppies are easy creatures to experiment on.