Freshwater garfish
A slender, toothed needlefish from Asian fresh waters.
The freshwater garfish is a slender, predatory fish native to South and Southeast Asia. It lives in rivers and estuaries, growing up to 40 cm with long, beak-like jaws. Aquarists have kept it since 1910, though it requires careful handling due to its nervous nature and specific dietary needs.
- Grows up to 40 cm with long beak-like jaws.
- Native to fresh and brackish waters in Asia.
- Diet consists mainly of crustaceans in the wild.
- Kept in European aquaria since 1910.
- Eggs attach to plants with sticky threads.
What it is
This species is a type of needlefish with a very long, thin body. Its most striking feature is a pair of extended jaws that form a beak, lined with small teeth. The dorsal and anal fins sit far back near the tail, aiding its swift movement. The skin is silvery-green, darker on the back and lighter on the belly, with a dark horizontal stripe along the side. Males often show black edges on their fins. Adults can grow to 40 cm in length.
Where it lives
These fish inhabit fresh and slightly salty waters across South and Southeast Asia. Their range extends from India and Sri Lanka eastward to the Malaysian Peninsula. They are found in rivers, streams, and estuarine zones where freshwater mixes with seawater. This adaptability allows them to thrive in varied aquatic environments throughout the region.
How it lives
In the wild, this fish feeds primarily on crustaceans, contrary to some aquarium guides that label it a predator of frogs and other fish. It is a nervous animal that moves quickly. In captivity, it displays shy behaviour and can be difficult to manage. It does not school tightly but may coexist with other tank mates if space permits. Its natural diet suggests it hunts small invertebrates rather than large prey.
Breeding and life cycle
The species lays eggs, which are deposited among aquatic plants. Spawning usually occurs in the morning. Each egg is about 3.5 mm wide and attaches to leaves via sticky threads roughly 20 mm long. After ten days, the young hatch. The fry are nearly 12 mm long at birth and can consume small live foods, such as young labyrinth fish, immediately after hatching.
Fish and people
Local fisheries catch this fish for food in parts of Asia. It is also popular in the aquarium trade, known by names like silver needlefish or needlenose gar. European hobbyists have kept it since 1910. Captive breeding first succeeded in Austria in 1963. Keepers often find it challenging due to its size, skittishness, and need for live food. Some add salt to tanks, but the fish thrives in pure freshwater.
Questions people ask about Freshwater garfish
Is the freshwater garfish a true gar?
No, it is a needlefish. Although called gar or garpike in some regions, it is only distantly related to North American gars. It belongs to the family Belonidae, which includes marine needlefish, rather than the Lepisosteidae family of true gars.
What does the freshwater garfish eat?
In its natural habitat, this fish eats almost entirely crustaceans. While aquarium books sometimes suggest it preys on frogs or other fish, wild observations point to small invertebrates as its primary food source. In captivity, it prefers live foods.
Does it need saltwater in an aquarium?
No, it does well in freshwater aquaria. Although some keepers add salt due to confusion over its brackish natural habitat, the species thrives in pure freshwater. It is native to both fresh and brackish zones but adapts fully to fresh conditions in captivity.
Good reading and sources
- Xenentodon cancila on WikipediaEncyclopedia
- More photos on Wikimedia CommonsPhotos
- Wikidata recordOpen data
The facts on this page come from the Wikipedia article "Xenentodon cancila", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryFish rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes, and figures change over time. Nothing here is investment or buying advice. If something is wrong, tell us. Last refreshed 2026-11-15.
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