Gertrude’s Rainbow Aru IV (Pseudomugil Gertrudae Aru IV)

Gertrudes Rainbow Aru IV (Pseudomugil Gertrudae Aru IV) is a captivating species of rainbow fish appreciated in the aquarium hobby.

1. Temperature: Gertrudes Rainbow Aru II thrives in aquariums with a temperature range between 72F to 82F (22C to 28C). Maintaining a stable temperature within this range is essential for their well-being.

2. Minimum Size Tank: Provide a tank with a minimum size of 20 gallons (75 liters) to accommodate a group of Gertrudes Rainbow Aru IV. A larger tank allows for better swimming space and supports their natural behaviors.

Feeding Habits: Gertrudes Rainbow Aru IV are omnivores and accept a varied diet. Offer them high-quality flakes, pellets, and live or frozen foods such as brine shrimp and daphnia to ensure their nutritional needs are met.

Habitat Preference: These rainbow fish are native to the Aru Islands and prefer aquariums with ample swimming space, planted areas, and floating vegetation. Mimic their natural habitat by incorporating driftwood and rocks.

Water pH Level: Maintain a slightly acidic to neutral pH level ranging from 6.0 to 7.0 to replicate the conditions of their native environment.

Behavior: Gertrudes Rainbow Aru IV are active and social fish. They display schooling behavior, so it’s recommended to keep them in groups of six or more to promote their well-being and reduce stress.

These rainbow fish exhibit schooling behavior, emphasizing the importance of keeping them in groups for their social and behavioral needs.

Color and Other Details: The Gertrudes Rainbow Aru IV is known for its vibrant colors. Males typically display more intense and varied hues, including blues, reds, and yellows. Females are slightly duller in comparison. The striking coloration adds to their visual appeal, especially in a well-decorated aquarium.

These details provide a foundation for creating a suitable environment for Gertrudes Rainbow Aru IV. Regular monitoring of water parameters, a well-balanced diet, and attention to their social nature contribute to their overall health and vibrancy in the aquarium.