Pet Care Center: Fish

The PetMD Pet Care Center provides you with useful information about grooming, nutrition, training and wellness for your pet.


How to Take Care of Betta Fish

As far as fish go, bettas are one of the more intelligent species; they’ve been shown to recognize their owner and can even be taught to do tricks like pushing a ball through a ring...
Category: Care

What Are GloFish?

For decades, scientists and medical researchers studied bioluminescence in nature and have adapted fluorescent genes as biomarkers for many applications. That is how GloFish found their...
Category: Care

Can You Actually Keep Fish in Bowls?

Find out why fish bowls are not the optimal environment for aquarium fish, especially goldfish and bettas.
Category: Care