Frequently asked questions

Freshwater Fish

Can I keep butterfly cichlids and angelfish together?

Hello, considering only the species, keeping them together would be possible. However, the tank is already too small for the angelfish alone. 200 liters at 50 cm tank height are the...

Freshwater Invertebrates

Snails eat plants

Hello, I am rather certain that these are not ramshorn snails (Planorbarius corneus) in this case, as they only very rarely (in case of severe lack of food) eat healthy plants, and...

Freshwater Invertebrates

Combat snails with pufferfish?

Hello, I must urgently advise against using pufferfish as "snail killers". It is of course correct that pufferfish considerably decimate snails and usually eat an aquarium snail...

Freshwater Invertebrates

Snails multiply too quickly

Hello, possible reasons also include live food or a latent presence that has caused rapid mass multiplication due to some factor, such as accidental overfeeding or a dead fish not...

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...

Freshwater Care

Quick or slow water flow in the filter?

Hello, in fact, a cross of the two would be optimal. In case of high nitrate pollution, this can be achieved by a combination of a conventional "biofilter" (typically with flow...

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