Black Arowana and Other Arowana (Osteoglossum and Scleropages species) is a advanced-level freshwater fish that needs at least 300 gallons and 76-84°F. Arowana grow very large and need huge, long tanks with secure lids. Several species are sold; check legal and care requirements.
Care facts at a glance
| Scientific name | Osteoglossum and Scleropages species |
|---|---|
| Family | Osteoglossidae |
| Origin | South America, Asia, Australia |
| Adult size | 24-36 in |
| Minimum tank | 300 gallons |
| Temperature | 76-84°F |
| pH | 6.0-7.5 |
| Temperament | Predatory |
| Social behavior | Solitary |
| Swim level | Upper |
| Difficulty | Advanced |
| Diet | Carnivore: insects, fish, shrimp |
| Typical lifespan | 15-20 years |
Quick tips
- Needs a very large tank and tight lid.
- Check species and legal requirements.
San Diego water
Captive-bred stock usually adapts to San Diego tap water with slow acclimation. For best color and health, many keepers blend tap with RO/DI water. Learn the numbers in our San Diego tap water guide.
Before you buy
Make sure your tank is cycled (how to cycle a tank), check your numbers with the water testing guide, and use the compatibility guide to check tankmates. These are general ranges; individual fish and local water vary.
Find it at Pet Zone
Pet Zone Tropical Fish is a San Diego aquarium store with two locations. Stock changes daily, so call ahead if you are after a specific species or plant. Shop online at petzonesd.com.
4160 Convoy St, San Diego, CA 92111
(858) 987-0309
Open daily, 10am-6pm
Aquascaping, planted tanks
4266 University Ave, San Diego, CA 92105
(619) 283-1812
Closed Monday; Tue-Fri 10:30am-6pm, Sat 11am-6pm, Sun 11am-4pm
Monster fish, koi