Marbled Hatchetfish, with their distinctive shape and surface-dwelling behavior, are a popular choice for aquarists seeking an interesting and visually striking species. Hatchetfish are excellent jumpers, so ensure a tight-fitting lid or canopy to prevent escape; providing floating plants or cover is essential to make them feel secure.
Origin: Marbled Hatchetfish are native to the Amazon River basin in South America, specifically found in Brazil.
Max Size:
- Adults typically reach a size of around 1.5 to 2 inches in length.
Behavior:
- Peaceful and social fish, best kept in small groups of at least six individuals.
- Skittish by nature, they tend to spend most of their time near the water's surface.
- Known for their unique ability to leap out of the water to escape predators, so ensure a tightly covered aquarium.
Tank Requirements:
- Minimum tank size of 10 gallons (38 liters) for a small group
- Provide ample swimming space, particularly in the upper regions of the tank, along with floating plants or cover to mimic their natural habitat.
- Utilize a secure lid or canopy to prevent escape and minimize stress.
Water Parameters:
- Temperature: 75°F to 82°F (24°C to 28°C).
Diet:
- Carnivorous diet consisting primarily of small insects, insect larvae, and zooplankton found at the water's surface.
- Accepts high-quality flake or pellet food.
Compatibility:
- Peaceful and compatible with a variety of tank mates, including other small to medium-sized community fish that share similar water parameter requirements.