arowana cannot be raised in a 35-cm-wide fish tank, because arowana is relatively large in size, and its body length is between 60-120 cm in adulthood. Although artificially cultured arowana is not very big, it can reach about 60-80 cm. Moreover, arowana's bones are soft, so they can't bend their bodies like ordinary fish. If the breeder will put them in a 35 cm wide fish tank, not only will their body shape be greatly affected, but their bones may also be deformed. Artificially raised arowana, it is best to choose a larger fish tank for them, so as to ensure that their activity space is sufficient.

Arowana can be raised in a 60 cm wide fish tank. Although arowana is large in size, the 60 cm wide fish tank is enough for them to turn around and turn. If the breeder has the conditions, it is best to choose a fish tank with a width of 80 cm, so that the activity space of Arowana will be larger and the growth and development speed will be faster.

Arowana is not only large in size, but also irascible in character and strong in territorial consciousness. Do not mix them with other fish when raising them in captivity. Arowana has high requirements on the environment, so breeders need to adjust the environment according to their habits, and usually use heating rods and filters to ensure stable water temperature and quality.