Frequently asked questions

Freshwater Fish

Newly added Cardinal Tetras are pale

Hello, Concerning"pale Cardinals/blackwater aquarium":this is indeed possible, and it can also simply be due to fright when transferring them. This should then become better in two...

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Freshwater Fish

Piranhas in an aquarium

Hello, I will split the answer into a number of different topics! Setup:a very large aquarium (at least 1,000 liters for 5 fish, preferably more) with sand bottom (the fish dig...

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Freshwater Fish

Platies: How can I detect pregnancy, how often do the fish give birth?

Hello, the unborn fry are visible as a gravid spot (a dark spot diagonally above the anal fin). Just before birth, even the eyes of the fry can be seen through the skin of their...

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Freshwater Fish

Problematic fish stock / Can fry stay with their parents?

Hello, Concerning "young Burundis":I surmise in the following that they are Neolamprologus brichardi from Lake Tanganyika, which were/are sometimes sold as "Princess of Burundi"! Co...

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Freshwater Fish

Questions about stocking a new 200 liter aquarium

Hello, there are no objections against the species, however 8 Platies and Guppies each are rather a lot, and the livebearers will also multiply quickly within a short time. 2/3 are...

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Freshwater Fish

Shell dwelling cichlids have become more aggressive

Hello, rocks are not the best choice in this case. I recommend plenty of empty snail shells plus bottom ground consisting of fine sand sufficiently thick to allow the fish to dig in...

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