Which food for angelfish?
Which food for mangrove crabs?
How can I soften dry food and remove the air it contains?
Which food for guppies?
Which food for spiny eels?
Catfish do not see their food
Which food for small and finicky fish?
Bottom gravel is clogged by sludge
"Moss balls" / Food amount
No water changes while being away for three weeks? / Preparing food for vacation substitute
Snails eat plants
Keeping Spinycheek Crayfish (Orconectes limosus)
How are fertilizer tablets optimally applied?
Guppy-like fish with orange and black pattern - which species is this, and how can I keep them? (Endler's livebearer)
Goldfish got stuck, caudal fin is torn
Is it normal that Altolamprologus calvus grow very slowly?
Worms and Hydra
Conditioning saltwater for shrimps
Snails multiply too quickly
Tiger barb overeats
Piranhas in an aquarium
Treatment of swim bladder infections
Is gravel with 3 - 6 mm grain size suitable?
Which preconditions are required for Fighting Fish?
How large does an aquaterrarium for terrapins have to be, and what do I have to consider when setting it up?
Betta has no upper lip
Loricariids eat plants
Biofilm on the surface
How can I hibernate goldfish living in a pond indoors?
Discus and Altum angelfish together?
Combat snails with pufferfish?
Which crabs are suitable for aquariums?
Which are suitable sand grain sizes?
Fish as snail removers?
Plants do not grow but dissolve
What to do in case of brush algae?
White worms in the aquarium