Frequently asked questions

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 (220 nUS gal.) for 5 fish, preferably more) with sand bottom...

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Freshwater Care

Plants do not grow but dissolve

Hello, it is very likely that plant pathogens or the like can be excluded - but there are many possible causes:  High conductivity (above approx. 500 µS/cm) Due to the very high...

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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 (44 US gal.) 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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