Tank setup
Size the aquarium to Freshwater Flounder's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
pH
7 - 8.5
Temperature
22° - 28 °C
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What to know before you buy.
Often called a Hogchoker, this fascinating flatfish is a master of camouflage, blending perfectly with a sandy substrate. While young specimens can tolerate freshwater, they require low-end brackish conditions for long-term health. They are peaceful but shy bottom-dwellers that need a diet of sinking carnivorous foods like bloodworms and brine shrimp.
Key traits
Select a tank to see how this species fits.
Everything you need to keep Freshwater Flounder healthy in a South African setup.
Size the aquarium to Freshwater Flounder's adult size and activity level. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 7–8.5 and 22–28°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Freshwater Flounder is an omnivore. Feed a varied diet appropriate for brackish fish — quality flakes, pellets, or frozen foods sized to the mouth.
Freshwater Flounder is generally peaceful. Observe during feeding and at lights-out for true temperament.
Pair with similarly sized peaceful tankmates in brackish fish. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Freshwater Flounder vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
Species that typically work alongside Freshwater Flounder in a similar setup.
Figure 8 Puffer
Dichotomyctere ocellatus
Indian Glassfish
Parambassis ranga
Violet Goby
Gobioides broussonnetii
Green Spotted Puffer
Dichotomyctere nigroviridis
Bumblebee Goby
Brachygobius doriae
Knight Goby
Stigmatogobius sadanundio
Atlantic Mudskipper
Periophthalmus barbarus