It is nothing new that people tell you to be calm around animals that you are afraid of because they can smell fear. However, a lot of people dismissed this.
People who want hamsters as pets often think that their pets will get lonely and want to have a friend. That often makes people ask, can hamsters live together? Some.
Whether you already have fish and want to add to your collection, or if you are looking to start an aquarium, only having one species of fish may not be.