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FishFreshwaterBeginnerSemi aggressive

Gar Characin

Ctenolucius hujeta

Also known as: Freshwater Barracuda, Hujeta Gar, Rocket Gar, Silver Pike-characin

A surface-hunting predator that plays nicer with tankmates than its looks suggest.

Gar Characin
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CC BY-SA 3.0

About

The gar characin (Ctenolucius hujeta) goes by a handful of trade names, rocket gar, hujeta gar, freshwater barracuda, and every one of them hints at the same thing: a long, torpedo-shaped predator built for ambushing prey at the water's surface. Native to the river systems of northern Colombia and northwestern Venezuela, it shares the streamlined silhouette and elongated jaws of a pike, but belongs to its own distinct family, Ctenoluciidae, separate from the better-known Boulengerella pike characins. The body is silvery and tapers sharply toward both ends, with the lower jaw carrying flat, fleshy lobes that set it apart from its relatives at a glance. Despite the predatory build, this species is considerably more community-friendly than you might expect, as long as every tankmate is too large to swallow. Calm substrate feeders like geophagus cichlids, medium-sized catfishes, and larger characins make good companions, while other surface-dwellers tend to cause friction. Juveniles school readily, and even adults do better in groups of four or more. They can be skittish, so avoid sudden movements near the glass. For someone wanting to keep a predatory fish without dedicating a species-only setup, this is genuinely one of the more forgiving options available.

Frequently asked questions

How big does the Gar Characin get?
The Gar Characin reaches about 6–10" as an adult.
What size tank does the Gar Characin need?
A minimum of 86 gallons is recommended for the Gar Characin.
What water parameters does the Gar Characin need?
The Gar Characin does best with a temperature of 72–82°F, a pH of 5–7.5, hardness around 1–16 dGH.
Is the Gar Characin aggressive?
The Gar Characin is semi-aggressive. It can work in a community with careful tankmate choices and enough space.
What does the Gar Characin eat?
The Gar Characin is a carnivore. It needs a meaty, protein-rich diet of frozen or live foods.
How long does the Gar Characin live?
With good care, the Gar Characin typically lives 5-8 years.