Frequently asked questions

Freshwater Fish

Gender differences in Labidochromis sp. "Yellow"

Hello, Concerning "gender differences":The gender differences are hard to see in not yet fully grown specimens - the colors are a little more intense in adult males, and the pattern...

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 Fish

Guppy-like fish with orange and black pattern - which species is this, and how can I keep them? (Endler's livebearer)

Hello, according to the description, they are rather certainly so-called Endler's livebearers (Poecilia wingei). The fish are very closely related to the well known Guppies and even...

Freshwater Care

How can I remove spot algae growing on the aquarium glass?

Hello, there are suitable cleaning utensils (sera glas clear TA6, sera glass cleaner, sera scraper) for removing these spot shaped green algae and other layers on the panes. The sera...

Freshwater Food

How can I soften dry food and remove the air it contains?

Hello, fish of the middle and deeper water layers often do not like to eat from the water surface – they instinctively “know” there is danger by hungry birds. However, freeze dried...

Freshwater Diseases

How do I proceed when the treatment with sera pond omnipur is finished?

Hello, it is advisable to filter through active carbon for 1 - 2 days for removing the treatment remainders, even if the water tint becomes paler after a while due to the influence...

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