Marbled Hatchetfish

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Species group:

Other common names:

Scientific name: Carnegiella strigata

The basics:
The Marbled Hatchetfish is native to lushly vegetated streams in the Amazon River river basin. It feeds on the surface and has the ability to jump out of the water and fly for several meters to escape predators. Marbled Hatchetfish usually breed by spawning. The female has the tendency to scatter eggs in the water or on floating plants.

The Marbled Hatchetfish is unusually shaped with a distended belly. The back is straight. The pectoral fins are wing-like and transparent. They are long and high. This species can be distinguished by a gold line extending from the eye to the caudal fin. The distended belly has a brown and cream colored marble-like pattern.

4-5 inches

Carnegiella strigata do well in peaceful community tanks, and should be kept in schools of ten or more, and provided with floating plants.
The Marbled Hatchetfish is very peaceful and shy, almost timid and nervous. They are suitable for community tanks. Fish of this species are easily threatened by large or fast-moving fish. In order to avoid predators and capture insect prey, these fish swim very fast to rise out of the water and “fly” above the surface using their long pectoral fins.

A densely planted community tank is most suitable for this species. The ideal tank size is 24 inches, which can hold up to 15 gallons water capacity. This species is a top dweller and usually kept in schools of 10 fish or more. The tank has to be provided with plenty of floating plants, driftwood, and a dark bottom substrate with dim light. The most distinguishing feature of this fish is its ability to "fly." Therefore, a tight-fitting cover glass is required to prevent the fish from jumping out. A gap between the water surface and the cover is also recommended.

75.20-82.40 °F


28.500-128.500 mg/L


peaceful community fish, heavily planted aquarium, good color, toplevel swimming fish, coolest thing


true surface feeders, funny shaped fish, excellent water quality, surface floating plants

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