Tank setup
A minimum 4000L aquarium suits Iridescent Shark. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
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Monster Fish
Large Catfish
Common
Iridescent Shark
Pangasianodon hypophthalmus
Pangasianodon hypophthalmus
pH
6.5 - 7.5
Temperature
24° - 28 °C
Max size
100 cm
Min tank
4000 L
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What to know before you buy.
Sold at 4 cm and reaching a metre. Very few home aquaria can house an adult, and it panics easily and injures itself against glass. Please confirm the buyer has pond-scale capacity.
Select a tank to see how this species fits.
Everything you need to keep Iridescent Shark healthy in a South African setup.
A minimum 4000L aquarium suits Iridescent Shark. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 6.5–7.5 and 24–28°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Iridescent Shark is omnivore — pellet, frozen. Feed a varied diet appropriate for monster fish — quality flakes, pellets, or frozen foods sized to the mouth.
Iridescent Shark is generally skittish shoaler; enormous adult size. Observe during feeding and at lights-out for true temperament.
Pair with similarly sized skittish shoaler; enormous adult size tankmates in monster fish. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Iridescent Shark vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
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Price trends and buyer demand — data only FishHub tracks.
SA price range this month: R100–1500 · Average: R430
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Species that typically work alongside Iridescent Shark in a similar setup.
