Anything strike you as special about this fish here? Well, it's worth 1.8 million dollars. It won grand champion at the All Japan Koi Show in 2017, and is the most expensive koi fish ever sold.

The Samurai Koi Galaxy Betta Fish has an array ... These are not the rarest or most expensive Betta fish but are unusual.

It may shock some people to learn that goldfish can live twice as long as a dog. They’re just one of several fish species that can enjoy very long lives. This can be a blessing for owners who want to ...