If you're looking for a low-maintenance pet that can live for many years, a fish is a great option. But not all fish have the same lifespan. Some species live for only a few years, while others can live for decades. If you're looking for a fish that will be a part of your family for many years to come, here are a few of the longest-living fish species that make great pets:

What Fish Lives the Longest as a Pet?

Goldfish

Goldfish are one of the most popular pet fish in the world, and for good reason. They're hardy, easy to care for, and can live for up to 20 years. Goldfish come in a variety of colors and sizes, so you're sure to find one that fits your personality and aquarium. Some common types of goldfish include comets, fantails, and orandas.

Koi

Koi are another type of carp that makes a great pet. They're known for their beautiful colors and patterns, and they can live for up to 25 years. Koi are a bit more challenging to care for than goldfish, but they're still a relatively low-maintenance fish. They need a large aquarium with plenty of swimming space, and they need to be fed a healthy diet.

Discus

Discus are a type of cichlid that is known for its striking colors and patterns. They're a bit more challenging to care for than goldfish or koi, but they can live for up to 10 years. Discus need a warm, clean aquarium with plenty of hiding places. They also need to be fed a diet that is high in protein.

Angelfish

Angelfish are another type of cichlid that makes a great pet. They're known for their long, flowing fins and their peaceful temperament. Angelfish can live for up to 10 years. They need a large aquarium with plenty of swimming space, and they need to be fed a diet that is high in protein.

Catfish

Catfish are a type of bottom-dwelling fish that comes in a variety of shapes and sizes. Some catfish can live for up to 20 years. Catfish are relatively easy to care for, but they do need a large aquarium with plenty of hiding places. They also need to be fed a diet that is high in protein.