About the Jardini Arowana

The Jardini Arowana, also known as the Australian Pearl or Spotted Arowana, is native to northern Australia and New Guinea. Unlike its Asian cousins, the Jardini is legal to own in the US without special permits, making it a popular choice for arowana enthusiasts. It features a silvery‑gold body with distinct pearl‑like spots and often reddish fins.

Appearance

Jardinis have a long, slender body with large scales. Each scale has a pearly or golden spot, creating a beautiful spotted pattern. The fins may exhibit red or orange hues, especially in mature fish. They have a more aggressive "look" compared to Asian arowanas, with a pronounced lower jaw.

Size & Growth

Jardinis can reach up to 24 inches in captivity. They are fast growers and require ample space. They are known to be more aggressive than Asian arowanas, so tank mates must be chosen carefully.

Tank Requirements

A minimum tank size of 250 gallons is recommended for a single adult Jardini. They need a long tank with plenty of swimming room. Provide a secure lid, as they are jumpers. Strong filtration and regular water changes are essential. Water parameters: temperature 75-86°F, pH 6.5-7.5.

Diet

Jardinis are carnivores and accept a variety of foods: high-quality pellets (sinking), live or frozen shrimp, crickets, small fish, mealworms, and earthworms are a favorite. They are voracious eaters, so avoid overfeeding.

Compatibility

Jardinis are territorial and can be aggressive toward other arowanas. They may also view smaller fish as prey. Suitable tank mates include large catfish, plecos, and robust cichlids (e.g., oscars). Avoid housing with peaceful or timid species. They can sometimes be kept with stingrays if the tank is large enough, but careful observation is needed.

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