Marbled Hatchetfish – Unique Surface-Dwelling Freshwater Fish
The Marbled Hatchetfish (Carnegiella strigata) is a fascinating freshwater aquarium fish admired for its distinctive hatchet-shaped body, beautiful marble-like markings, and graceful surface-swimming behaviour.
Native to the Amazon Basin of South America, this elegant species features a compressed, deep-bodied shape with striking dark patterns across its silver and brown body.
Marbled Hatchetfish spend most of their time near the water surface, where they naturally feed on small insects and other tiny prey.
Their peaceful temperament and unusual appearance make them excellent additions to mature, well-planted community aquariums with gentle water movement and floating vegetation.
When kept in groups, these active little fish display fascinating social behaviour and create a beautiful visual effect along the upper levels of the aquarium.
A wonderful choice for aquarists seeking a distinctive and elegant surface-dwelling species.
Care Guide
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Parameter
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Details
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Scientific Name
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Carnegiella strigata
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Common Name
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Marbled Hatchetfish
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Origin
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Amazon Basin, South America
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Adult Size
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Approximately 3–4 cm
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Temperature
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24–28°C
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pH
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5.0–7.0
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Water Hardness
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Soft to moderately soft
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Minimum Tank Size
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60 L+ recommended, with ample surface area
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Diet
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Carnivore / Insectivore
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Temperament
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Peaceful, sometimes shy
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Care Level
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Intermediate
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Group Size
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6–8+ recommended
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Lifespan
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Approximately 3–5 years
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Swimming Level
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Surface / Upper
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Aquarium Type
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Planted Aquarium / Peaceful Community Aquarium
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Water Flow
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Gentle to Moderate
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Special Requirement
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Secure, tightly fitted aquarium lid
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