The Spotted Danio or Dwarf Danio (Danio nigrofasciatus) is a tropical fish

Fish

Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

 belonging to the minnow family (Cyprinidae). Originating in northern Myanmar

Myanmar

Burma , officially the Republic of the Union of Myanmar , is a country in Southeast Asia. Burma is bordered by China on the northeast, Laos on the east, Thailand on the southeast, Bangladesh on the west, India on the northwest, the Bay of Bengal to the southwest, and the Andaman Sea on the south....

, this fish is sometimes found in community tanks by fish keeping hobbyists. It grows to a maximum length of 1.5 inches (3.7 cm).

In the wild, the Spotted Danio is found in rivers in a tropical climate and prefer water with a 6.5 - 7.0 pH

PH

In chemistry, pH is a measure of the acidity or basicity of an aqueous solution. Pure water is said to be neutral, with a pH close to 7.0 at . Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline...

, a water hardness of 5.0 - 12.0 dGH

DGH

Degrees of general hardness is a unit of water hardness, specifically of general hardness.General hardness is a measure of the concentration of metal divalent ions such as calcium and magnesium per volume of water...

, and an ideal temperature range of 75 - 82 °F (24 - 28 °C). The Spotted Danio is an egglayer.