The 7 Longest Living Species of Pet Fish

Owning a pet fish can be a rewarding and calming experience, especially if it lives a long and healthy life. So, if you're looking for a loyal pet that will be around for the long haul, then these 7 species of fish are definitely worth considering.

What Makes Fish Live Longer

Fish lifespan can vary depending on the species. There are some fish that are known to live for a decade or more, while others only live for a few years. The conditions in which you keep your fish will have a huge impact on how long they live. As with humans, there are some species of fish who are known to live longer. This can depend on their diet, environmental conditions, and their genetics.

Goldfish

Goldfish are some of the most popular pet fish in the world. They are very resilient and can live for many years, with some living up to 50 years in captivity. You can expect a goldfish to live between 10 and 15 years. However, some goldfish can live up to 30 years under the right conditions. In order for goldfish to live a long and healthy life, they need to have the right environment, diet and habitat.

Angelfish

Angelfish are a tropical freshwater species that can live up to 50 years in captivity. Angelfish are considered to be very hardy fish, which makes them a great choice if you're a beginner aquarist. Angelfish are easy to care for and tolerate a wide range of water conditions. They are also relatively inexpensive to feed, so they won't break the bank. Angelfish are tropical fish, so they prefer a water temperature between 24 and 30 degrees Celsius.

Betta Fish

Betta fish are often described as the unicorn of the fish world. They are colourful and unique freshwater species that can live up to 10 years in captivity. Bettas are one of the most beautiful species of fish, and they are becoming increasingly popular as pets. If they are kept in the right environment, bettas can make amazing pets for both beginners and experienced aquarists.

Oscar Fish

Oscar fish are a very popular species of fish because they are easy to care for and can live up to 20 years in captivity. Oscars are a large species of fish that can grow up to 16 inches long. Because of their size, they need a large tank with lots of space to swim around. Oscars are very sensitive to poor water quality, and they are also prone to diseases. You should change about 30% of the water every week and keep the water clean and fresh at all times.

Koi Fish

Koi fish are a very unique species of fish that can live up to 40 years in captivity. Koi fish are omnivores that need a balanced diet of both meaty and plant-based food. Commercial flake food is a good choice for koi fish, but it's also a good idea to give them some vegetables. You can also offer them crickets as a protein-rich treat.

Discus Fish

Discus are known for their vibrant colours and large size that can live up to 30 years in captivity. They grow very large, so they need a large aquarium to swim around in. Discus fish are omnivores, so they need a balanced diet of both meaty and plant-based food.

Plecostomus

Plecostomus is a big, bulky species of fish that is often referred to as a giant Siamese algae eater. They are very large and grow up to 28 inches long. Plecostomus are excellent algae-eaters, and they thrive in a wide range of water conditions. They can live in both freshwater and saltwater environments. Plecostomus are very hardy aquatic fish that can live for a long time. They can live for up to 40 years in captivity.

Conclusion

Fish are fascinating aquatic animals that can be a joy to own. Depending on the species, they can live for many years, sometimes even decades. They will require a little bit of effort to keep them healthy, but with the right environment and food, they will thrive in your care.