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Datasheet
| Minimum Tank Size | 113 litres / 29.85 US gallons |
| Maximum Size | 7.6cm / 2.99inches |
| Reef Compatible | With Caution |
| Temperament | Peaceful |
| Care Description | Moderate |
| Specific Gravity | 1.020-1.025 |
| Carbonate Hardness | 8-12 |
| pH | 8.1-8.4 |
General Description
The Whitespotted Pygmy Filefish, scientifically known as Rudarius ercodes, is a captivating addition to any aquarium. With a maximum length of only 3 inches, these fish boast a unique swimming style and are known for their intelligence, charm, and ability to recognize people.
Aquarium Suitability
The Whitespotted Pygmy Filefish is a popular choice among aquarists, thanks to its hardiness and adaptability to home aquarium conditions. They are suitable for both novice and experienced aquarists, making them a versatile option for various setups.
Demands, Care, and Hardiness
This species requires moderate care, thriving in water temperatures ranging from tropical to temperate. They accept a variety of foods, including frozen and pelleted diets, and can be kept in a tank with hard and soft corals. Their hardiness and fast growth make them a great choice for aquarists of all levels.
Reef Suitability
The Whitespotted Pygmy Filefish is considered reef-compatible with caution. Observations suggest that they can coexist with corals without exhibiting any nipping behaviors, making them a potential addition to reef tanks.
Aquarium Setup
For optimal care, maintain the Whitespotted Pygmy Filefish in a tank of at least 113 litres. Ensure the water conditions are within the parameters of pH 8.1-8.4, dKH 8-12, and specific gravity of 1.020-1.025. Providing a mix of hard and soft corals in the tank can create a suitable environment for these fish.
Behaviour
Known for their peaceful temperament, Whitespotted Pygmy Filefish add a tranquil presence to aquariums. They display unique behaviors, such as recognizing their caretakers and exhibiting begging behavior when it's feeding time.
Feeding and Diet
As omnivores, Whitespotted Pygmy Filefish readily accept a varied diet that includes frozen and pelleted foods. Offering a diverse range of food options ensures these fish receive the necessary nutrients to maintain their health and vibrancy.
Habitat and Distribution
In the wild, Whitespotted Pygmy Filefish are found in waters around Japan extending south to Taiwan. They typically inhabit temperate regions with macroalgae and sea grass beds, where they can adjust their coloration and patterns based on their surroundings. These fish are known for their ability to produce large nests despite their small size, with newly hatched prolarvae measuring just 1.6mm.