Marbled Hatchetfish (Carnegiella strigata)

Marbled Hatchetfish (Carnegiella strigata)

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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.


  • 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).


  • Carnivorous diet consisting primarily of small insects, insect larvae, and zooplankton found at the water's surface.
  • Accepts high-quality flake or pellet food.


  • Peaceful and compatible with a variety of tank mates, including other small to medium-sized community fish that share similar water parameter requirements.