Silver arowana care
Water temperature
75–86°F
Keep arowanas at 75–86°F with a pH of 6–7, in a tank of at least 250 gallons. It is best kept on its own.
Grows to three feet. A tank this big is a room-sized project.
Osteoglossum bicirrhosum
- pH
- 6–7
- Minimum tank
- 250 gal
- Adult size
- 36.0 in
- Temperament
- Aggressive
- Group
- One per tank
- Lifespan
- 10–20 years
- Swims at
- Top
- Diet
- Carnivore
Full silver arowana tank mate chart: 0 yes, 4 with care, 94 no
Silver arowana water compared
Fish to keep away from arowanas
- Betta An adult silver arowana eats fish that fit in its mouth, and at 2.5 inches bettas do.
- Axolotl Axolotls are coldwater animals (60–66°F); arowanas need 75–86°F. No temperature suits both.
- Kuhli loach An adult silver arowana eats fish that fit in its mouth, and at 3.5 inches kuhli loaches do.
- Angelfish An adult silver arowana eats fish that fit in its mouth, and at 6 inches angelfish do.
- Pea puffer An adult silver arowana eats fish that fit in its mouth, and at 1 inches pea puffers do.
- Oscar An adult silver arowana eats fish that fit in its mouth, and at 12 inches oscars do.
- Yoyo loach An adult silver arowana eats fish that fit in its mouth, and at 5 inches yoyo loaches do.
- Clown loach An adult silver arowana eats fish that fit in its mouth, and at 8 inches clown loaches do.
More oddballs
Questions
What temperature do arowanas need?
75–86 °F. Keep it steady with a heater.
What size tank does a silver arowana need?
At least 250 gallons. Adults reach about 36 inches.
How many arowanas should I keep?
One. Two arowanas in the same tank tend to fight.
What fish can live with arowanas?
Almost none. Arowanas are best kept on their own.