Hatchetfish are freshwater fish that belongs to the family of Gasteropelecidae. They are identified by their large sternal region, and are known for being good jumpers from water. They are often acknowledged as being the only true “flying fish”. Hatchetfish will usually keep close to the surface of the water, and fish tank they live in should have tight-fitting, well-sealed cover to avoid the fish from jumping out of the tank.

Common Hatchetfish are very calm, and even shy fish. They make very good community aquarium mates. Most of the times, they tend to hang top, near the surface of the water and do value some floating plants. But their mouth is located up on top of their body and they eat at the surface, so be sure to also supply some clear areas as well for them to give food to. They must be placed in a well maintained tank as they are likely to ich.

hatchetfHatchetfish range in size from small kinds about 1″ (2.5 cm) in length like Carnegiella myersi up to about 3.5″ (9 cm) in the species of Thoracocharax securis. Barely any of the hatchets are particularly brightly colored, however they are all beautiful in their own way. The marble hatchetfish, Carnegiella strigata, is possibly the most beautiful species in this family. Although rarely 1.5″ (4 cm) in length, their strong body shape and dark brown marks mean that these fish can appear quite stunning in the right aquarium light conditions. Much like hatchetfish normally, open water with a lots of current is recommended, and while ornaments, rooted plants, and other decorating items are unneeded, a couple of floating plants will be valued.

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