Borneo Sucker

The **Gastromyzon punctulatus**, commonly known as the "Borneo Sucker," is a fascinating bottom-dwelling fish known for its unique appearance and adaptation to fast-flowing environments. Here is a detailed guide on how to care for this fish in an aquarium.

### Characteristics
The Gastromyzon punctulatus is a small fish, reaching about 5 to 7 cm (2 to 2.8 inches) when fully grown. It has a flattened body, designed to cling to rocky surfaces in fast-flowing waters. Its coloration varies from brown to gray, with dark spot patterns that provide excellent camouflage. Its fins are well-developed, allowing it to adhere strongly to rocks and other surfaces.

### Temperature
The Borneo Sucker prefers a water temperature range of 20°C to 25°C (68°F to 77°F). It is important to maintain a stable temperature to avoid stress and promote good health.

### pH
This fish thrives in slightly acidic to neutral water, with an ideal pH between 6.5 and 7.5. A stable pH is crucial for its well-being.

### Water Hardness
The Gastromyzon punctulatus prefers soft to moderately hard water, with a general hardness (dGH) of 5 to 12 degrees.

### Environment
To recreate its natural habitat, the Borneo Sucker requires a well-oxygenated aquarium with strong water flow. The use of powerheads or strong filters to create adequate water flow is essential. The substrate should consist of fine sand or smooth gravel, and the aquarium should contain plenty of rocks, pebbles, and driftwood to provide surfaces for the fish to attach to and hide in. Aquatic plants that tolerate strong currents, such as Anubias and Java ferns, can also be added.

### Feeding
The Borneo Sucker is primarily herbivorous and feeds on algae and biofilm that it scrapes from surfaces. It is important to supplement its diet with fresh vegetables such as zucchini, cucumber, and spinach, as well as specific sinking pellets for herbivorous fish. Spirulina supplements can also be beneficial.

### Behavior
The Gastromyzon punctulatus is a peaceful and sociable fish that prefers to live in small groups. It is mainly active during the day, exploring rocks and surfaces in search of food. It can cohabit with a variety of non-aggressive community fish, but it is best to pair it with fish that tolerate strong currents and well-oxygenated water.

This fish is compatible with many non-aggressive community aquarium fish that tolerate strong currents, such as danios, barbs, and rainbowfish. It is important not to keep it with aggressive fish or fish that prefer calm waters.

In summary, the Gastromyzon punctulatus is a fascinating fish that requires specific care to thrive in an aquarium. With appropriate water conditions, good oxygenation, and an environment rich in hiding places and rocky surfaces, it can add a unique and dynamic touch to any community aquarium.