A common question you may have before buying a fish for your aquarium or as a fish owner is “how long should my fish live”? This is an important question to consider when investing time and money into a pet.
The answer depends on the species of fish, but a general rule is that smaller fish have a shorter lifespan. It is also thought that fish that lay eggs live longer.
With proper care, pet fish in an aquarium can live for several years.
Fish that are known to have shorter lifespans include bettas, guppies, the platy, and swordtail. Fish that can live long lives include goldfish, angelfish, tetras, clownfish and lionfish.
Factors that can affect the lifespan of a fish include genetic factors (size, metabolism, reproductive ability) and environmental factors such as water quality and “housing”. This is why how you care for your fish is very important.
A few recommendations include:
Making your fish tank a safe and healthy space for your fish plays a large role in the health and lifespan of your fish.