
Apistogramma gossei
Cichlidae, Geophaginae

Cichlidae, Geophaginae
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Maximum length is 7.0 cm TL. Males are generally larger than females (60 cm vs. 40 cm) and have more filamentous fins and deeper coloration during reproduction. Females take care of the spawned eggs and the juveniles.
Soft, acidic water, subdued light, sand, roots and fallen leaves: how to set up a biotope aquarium from the Amazon and the rivers around it.
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.
Why new fish should live in a tank of their own for a few weeks before they move in, what you need, and what to look for.
The most common disease in aquarium fish. How to recognize it, why it shows up, and how to get rid of it.