Indo Datnoid (Datnioides microlepis) Care Guide

The Indo Datnoid, also known as the Indonesian Tiger Fish or Indonesian Tiger Datnoid, is a striking predatory freshwater species prized for its bold black stripes and golden body. Native to rivers and estuaries in Indonesia, Thailand, and surrounding regions, this fish is a favorite among monster fish keepers for its commanding presence and unique swimming behavior.

Appearance
Indo Datnoids have a deep, laterally compressed body with a bright golden to yellow base color marked by thick black vertical stripes. Most individuals display three to five stripes, which can vary slightly in thickness and intensity. They can grow to about 14 to 18 inches in captivity when provided with ample space and proper care. Their eyes are large and forward-facing, giving them excellent hunting vision.

Behavior and Temperament
These fish are generally territorial and predatory, though they can be kept with other large, similarly tempered species if given enough room. Indo Datnoids are known for their slow, deliberate movements and their habit of “hovering” in place while watching their surroundings. They may be shy when first introduced but become more confident over time.

Aquarium Requirements
A large aquarium of at least 180 gallons is recommended for an adult Indo Datnoid. Provide strong filtration to handle their waste output and maintain pristine water conditions. The tank should have open swimming space along with driftwood, large rocks, or other structures to give them hiding spots. Lighting can be moderate to subdued, as they tend to be more comfortable in less brightly lit environments.

Water Parameters
Temperature: 75 to 82°F (24 to 28°C)
pH: 6.5 to 7.5
Water Hardness: Soft to moderately hard
Stable, clean water is essential, as they are sensitive to poor water quality.

Diet
Indo Datnoids are carnivorous and prefer a diet of meaty foods. In captivity, they can be fed live or frozen fish, shrimp, earthworms, and other high-protein options. Many can be trained to accept pellets over time, which is beneficial for balanced nutrition. Avoid feeding only live foods to reduce the risk of introducing parasites.

Tank Mates
Best tank mates include other large, non-aggressive to moderately aggressive fish such as arowanas, large bichirs, stingrays, and silver dollars. Avoid small fish, as they will be viewed as prey, and overly aggressive fish that may stress them.

Special Considerations
Indo Datnoids are slow growers but can live for many years with proper care. They can change their coloration depending on mood, health, and environment, sometimes darkening or lightening their stripes. Because they are a prized and sometimes expensive species, it’s important to source them from reputable suppliers.

Summary
The Indo Datnoid is a majestic and fascinating predatory fish ideal for experienced aquarists with the space and resources to meet its needs. Its bold stripes, unique behavior, and regal swimming style make it an impressive centerpiece in any large freshwater aquarium.