Frequently asked questions

Freshwater Fish

Veiltail goldfish in an aquarium

Hello, first of all, 25 liters (5.5 US gal.) are by far insufficient for goldfish, including veiltails! The gross tank volume shoud be at least 100 liters (22 US gal.) for...

Freshwater Diseases

Veiltail goldfish swim upside down

Hello, according to the description, my guess is a bacterial swim bladder infection that may be treated with sera baktopur direct or sera bakto Tabs, at least in early stages. Comba...

Freshwater Fish

Female Butterfly Cichlid attacks newly added male

Hello, it is entirely normal among cichlids that newly added fish are not immediately accepted - a male and a female are not a pair yet. The fish often find together after a certain...

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 (44 US gal.) at 50 cm (20...

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...

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