I recommend it frequently (it's inexpensive and is unlikely to harm the fish). I first learned of this many years ago from someone in a pet store. Fancy goldfish in particular are frequently ...

A couple of friends who shared a common love of exotic pets, and a common frustration in unsatisfactory local options, have ...

This species, with its many varieties, is the most common betta fish found in aquariums and pet stores, but it has more than 70 relatives, including the endangered Betta miniopinna and Betta ...