Betta fish are incredibly popular ... or a variety of other colors that complement their flashy, stark blue tail fins. Guppies are tiny, easy-care fish that grow up to 1.6 inches (4 centimeters ...

What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their scientific name, Betta splendens, combines two languages ...

Though betta fish are relatively easy to care for, they are also not the simplest ... orange and red koi speckles and ...