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...

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...

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...

Freshwater Technical equipment

Position of the sera F 700

Hello, yes, that concerns the complete filter! Make sure that no sand/gravel can get in and possibly damage the rotor, when place it on the bottom! Best regards sera GmbHDr. Bodo...

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...

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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