Aquarium Fish

Rainbow Shark

posted: 05/15/12
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Rainbow Shark
Courtesy of Drs. Foster and Smith
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The Rainbow Shark, otherwise known as the Ruby Shark, or Red-Finned Shark, is a beautifully colored fish which is a dark gray to black with red fins. There is also an albino variety.

Epalzeorhynchos frenatus is great for the semi-aggressive community aquarium, as long as they are the sole shark and other tank mates are of similar size. It requires a large aquarium with driftwood, rocks, and spots of dense vegetation. This shark may set up territories around the aquarium. The Rainbow Shark will become very aggressive towards its own species.

Unfortunately, the breeding habits of the Rainbow Shark have not been documented.

An omnivore, the Rainbow Shark is not a particularly finicky eater. Flake food, freeze-dried bloodworms, and tubifex, as well as vegetable-based foods should be fed.

Ideal tank mates include: Barbs, Danios, Gouramis, Rainbowfish, South American Cichlids, Loaches, Plecos and Scavenger Catfish of similar size.

Fish Facts

Name: Rainbow Shark (Epalzeorhynchos frenatus)

Family: Cyprinidae

Range: Thailand

Size: Up to 6 inches

Diet: Omnivore

Tank Set-up: Freshwater: Plants, rocks, driftwood

Tank Conditions: 72-79°F; pH 6.5-7.5; dH 10-15

Minimum Tank Capacity: 50 gallons

Light: Medium

Temperament: Semi-aggressive

Swimming Level: No specific level

Care Level: Moderate

Reproduction: Egg Layer

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