Rocket Gar ( Ctenolucius hujeta )

The Rocket Gar, also known as the Hujeta Gar or Freshwater Barracuda, is a sleek, predatory freshwater fish recognised for its elongated body, pointed snout and streamlined appearance. Its silvery scales, dark markings near the tail and torpedo-like shape make it a striking addition to a suitably large aquarium.

Despite its fierce appearance, the Rocket Gar can be relatively peaceful towards tank mates that are too large to be considered prey. It is a fast, alert swimmer that typically occupies the upper levels of the aquarium, where it waits for smaller fish to pass by. This species is best suited to experienced aquarists who can provide ample swimming space and carefully selected companions.

🌿 Why Choose a Rocket Gar?

• 🚀 Striking appearance: A long, streamlined body and distinctive pointed snout.

• 🐟 Active predator: Displays fascinating hunting and feeding behaviour.

• 🌊 Surface swimmer: Adds interest to the upper levels of the aquarium.

• 🐠 Impressive centrepiece: Well suited to larger tropical freshwater displays.

• 💧 Distinctive species: An unusual alternative to more commonly kept aquarium fish.

🌍 Natural Habitat

The Rocket Gar is native to freshwater habitats in northern South America, including parts of the Orinoco and surrounding river systems. It inhabits rivers, streams and quieter areas with vegetation and submerged cover, where it can shelter and ambush prey.

In captivity, it benefits from clean, well-oxygenated water, open swimming areas and some planted or sheltered sections around the edges of the aquarium.

📏 Care Requirements

• Scientific Name: Ctenolucius hujeta

• Common Name: Rocket Gar / Hujeta Gar

• Minimum Tank Size: Around 300 litres for a small group, with a larger aquarium recommended for adults.

• Adult Size: Typically 20–25 cm.

• Temperature: 22–28°C

• pH: 6.0–7.5

• Temperament: Generally peaceful towards fish too large to eat, but a predator towards smaller tank mates.

• Diet: Carnivorous; quality carnivore pellets, prawns, earthworms, insects and suitable frozen foods.

• Group Size: Often best kept in a group of around 4–6 where space allows. They may become nervous when kept alone.

A long aquarium with plenty of uninterrupted swimming space is ideal. Provide vegetation or floating plants around the edges for cover, while keeping the central swimming area open. A secure, tightly fitting lid is essential, as Rocket Gars can leap when startled or feeding.

🐠 Compatibility

Rocket Gars can be kept with appropriately sized, peaceful fish that share similar water requirements. Choose companions carefully, as anything small enough to swallow may become prey.

Potential tank mates:

• Medium to large peaceful characins.

• Appropriately sized peaceful cichlids.

• Robust, similarly sized tropical fish.

• Other compatible Rocket Gars in a sufficiently spacious aquarium.

Avoid:

• Neon Tetras, small rasboras, guppies and other small fish.

• Shrimp and other small invertebrates.

• Fin-nipping species.

• Aggressive fish that may injure or outcompete them.

⚠️ Important Notes

• Predatory feeding: Offer appropriately sized foods and avoid relying on feeder fish, which can introduce parasites and disease.

• Acclimatisation: Provide cover and avoid sudden movements around the aquarium while the fish settles in.

• Water quality: Maintain stable conditions with efficient filtration and regular water changes.

• Tank size: Their adult length and active swimming behaviour make small aquariums unsuitable.

• Feeding: Some individuals need time to accept prepared foods, so introduce a varied diet gradually.

The Rocket Gar is an excellent choice for experienced keepers seeking an unusual, active predator. With a spacious aquarium, secure lid, suitable diet and carefully selected tank mates, it can become a spectacular feature of a large tropical freshwater setup.