Giant Hatchet Fish - Wild Caught 4cm

Giant Hatchetfish Wild Caught

Hatchetfish are one of the most unusual-looking aquarium fish, instantly recognisable by their distinctive body shape that resembles the head of a hatchet. The Giant Hatchetfish is the largest species commonly available in the aquarium hobby and makes a fascinating addition to peaceful community aquariums.

These fish have a deep, compressed body with a pronounced chest area that houses powerful muscles used for jumping. Their silver bodies reflect light beautifully, often displaying subtle flashes of gold or green depending on the lighting. Their fins are small and delicate, while their upward-facing mouths reveal their natural behaviour as surface feeders.

Breeding hatchetfish in captivity is rarely achieved in the home aquarium, as they require very specific water conditions and environments similar to their natural South American habitats. Most specimens available in the hobby are therefore wild-caught.

Tank Recommendations for Your Giant Hatchetfish

Hatchetfish are surface-dwelling fish and require aquariums with plenty of open space near the surface. A tank of at least 100 litres is recommended for a small group.

They should always be kept in schools, as this helps them feel secure. A tight-fitting lid is absolutely essential, as hatchetfish are incredible jumpers.

Suitable Tank Buddies

These fish are extremely peaceful and do well in community aquariums.

Usually Compatible

Tetras, rasboras, corydoras, and other peaceful schooling fish.

Sometimes Compatible

Peaceful dwarf cichlids, such as Apistogramma.

Rarely Compatible

Large aggressive species, such as oscars, that may prey on them.

Feeding Your Giant Hatchetfish

Hatchetfish are surface feeders and prefer floating foods. High-quality floating flakes or pellets work well as a staple diet. They will also enthusiastically accept frozen foods such as bloodworms or brine shrimp.