Marbled Hatchetfish Care Guide
Carnegiella strigata · Freshwater Fish
What Marbled Hatchetfish look like
The Marbled Hatchetfish (Carnegiella strigata) exhibits a unique and striking morphology characterized by its deep-keeled, laterally compressed body, which can reach a maximum adult size of approximately 2 inches (5 cm). This species displays sexual dimorphism, with males typically possessing slightly larger and more elongated pectoral fins compared to females. The body is predominantly silver, adorned with intricate dark brown marbled streaks and lines that provide effective camouflage in its natural habitat. Notably, the large, wing-like pectoral fins enable the fish to perform short bursts of powered flight above the water surface, an adaptation that aids in evading predators. The extreme depth of the belly contributes to its distinctive hatchet profile, while the presence of a lateral line system assists in detecting vibrations in the water, enhancing its sensory capabilities.
Behavior & temperament
The Marbled Hatchetfish is a social species that typically exhibits schooling behavior, preferring to dwell near the surface of the water column in its natural Amazonian habitat. It is a peaceful and non-aggressive fish, making it suitable for community tanks. During breeding, the species engages in egg scattering, where females release eggs into the water column, allowing fertilization to occur externally. The fish display a calm temperament, often seen gliding gracefully through the water, and they thrive in groups, which helps reduce stress and promote natural behaviors.
Diet & feeding
In the wild, the Marbled Hatchetfish primarily feeds on small insects and zooplankton, making it a carnivorous species. In captivity, it requires a diet rich in high-quality flake food, micro-pellets, and live or frozen foods such as brine shrimp and daphnia to maintain optimal health.
Behind the name
Carnegiella (derived from Carnegiella, named in honor of Andrew Carnegie); strigata (Latin for 'striped' or 'lined').
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Marbled Hatchetfish?
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