Silver Arowana (Osteoglossum bicirrhosum) in aquarium
๐ŸŒฟ Freshwater ยท Tropical

Silver Arowana

Osteoglossum bicirrhosum โ€” Osteoglossidae
๐Ÿ“ Size:ย 50-80
โณ Lifespan:ย 15
โญ Care level:ย Beginner

Overview

The Silver Arowana is a majestic and unique fish known for its striking appearance and size. It is a large, predatory fish that requires a spacious tank and specific water conditions. While not a community fish, it can be kept with compatible, larger species. They are sensitive to stress and require careful water quality management.

Quick fact: Osteoglossum bicirrhosum belongs to the family Osteoglossidae. Care level: beginner.

Scientific Classification

RankClassification
FamilyOsteoglossidae
GenusOsteoglossum
SpeciesOsteoglossum bicirrhosum
Water typefreshwater

Natural Habitat

Native to slow-moving rivers and flooded forests in Southeast Asia, the Silver Arowana prefers shallow, clear water habitats with plenty of aquatic vegetation.

Appearance

Characterized by its iridescent silver color and long, flowing fins, the Silver Arowana is a visually stunning addition to any aquarium.

Coloration: silver body with dark blue and green iridescence

Behavior

Silver Arowanas are solitary and require ample space to swim. They are cautious and may be reclusive, so a peaceful and secure environment is crucial.

TraitValue
Temperamentsolitary and cautious
SchoolingNo
Activity levelmoderate
Important: can be shy and sensitive to changes in water quality and surroundings

Water Requirements

ParameterIdeal RangeNotes
Temperature22โ€“30ยฐC (72โ€“86ยฐF)Use a reliable adjustable heater
pH6โ€“7.5Avoid sudden swings
Hardness (GH)5-15 dGH dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<20 ppmManage through regular partial water changes
Min. tank2000L (528 gal)Larger tanks are easier to keep stable
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.

Interesting Facts

  • Silver Arowanas can grow to be over 3 feet in length.
  • They are known for their long, whisker-like barbels which they use to sense prey.
  • Arowanas are a symbol of good luck in some cultures and are often kept as a sign of prosperity.

๐Ÿ“‹ Full Care Guide

Ready to set up a tank for your Silver Arowana? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.

Read Silver Arowana Care Guide โ†’

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Editorial review

This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.