Description
As a fully grown adult, the average zebra danio reaches a total length (from the front of its head to the tip of its tail) of about 2.5 centimeters or 1 inch. The longest zebrafish in recorded history grew to 6.4 centimeters or about 2.5 inches.
pH should be between 7.0 and 7.8, alkalinity between 3° and 8° dkH (50 ppm to 140 ppm) and temperature between 70° and 78° F. If the aquarium is kept in rooms below 70°, use an Aqueon Aquarium Heater to maintain the correct temperature.