Frequently asked questions

Freshwater Invertebrates

"Crystal Red" shrimps in a 25 liter aquarium

Hello, possibly, the orange animal is a dwarf crayfish (Cambarellus patzcuarensis 'Orange', often referred to as "Mexican Orange" dwarf crayfish)? 10 − 15 animals are alright;...

Freshwater Care Food

"Moss balls" / Food amount

Hello, Concerning "moss ball/requirements/multiply":this is in fact not a moss at all, but a (desired in this case) green alga.It is sufficient to just place it in the tank and rinse...

Freshwater Care

Algae problems with very low nitrate and phosphate levels

Hello, this phenomenon is not that unlikely at all and occurs rather frequently, especially in case of floating algae. The reason is quite simple:the algae literally take up the...

Freshwater Fish

General information about Bumblebee Gobies (Brachygobius xanthozonus)

Hello, Concerning "requirements":Bumblebee Gobies (Brachygobius xanthozonus) are rather fastidious and prefer a salt addition to the water.They are in fact only suitable for a...

Freshwater Diseases

Amyloodinium (Oodinium) upon adding new fish

Hello, independently from the original question: I urgently recommend keeping new fish in quarantine for approximately 4 weeks if possible as to prevent this kind of thing. This...

Freshwater Fish Diseases

Ancistrus catfish has large white blotches

Hello, this is rather likely not a disease at all: A bright blotch pattern is the typical fright coloration of Ancistrus catfish, it quickly becomes normal again. Cloudy skin slime...

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