While in theory one could keep a blue whale as a pet, in practice
a small number of species of mammals, especially dogs and cats,
and other animals such as birds have dominated the pet scene for
a very long time. Fish have joined them more recently. Many of
these are domesticated while others, often considered novelty pets,
are not. With the exception of iguanas and non-venomous snakes,
few reptiles and amphibians make good pets.
The glofish, a genetically modified zebrafish with a bright red
fluorescent color is the first genetically modified (GM) animal
to be engineered as a pet.
Pets can have many health benefits. Pets have been proven tho
help remove stress.
A pet can be acquired from a pet store, an animal shelter, a breeder,
and sometimes from people who have too many due to births.