Nannostomus trifasciatus fish, including fish species that live in fresh water. This fish is very suitable to be kept in an aquarium because this fish has an attractive color shape. Nannostomus trifasciatus has a black and yellow color that crosses its body. On the dorsal fin, caudal fin, abdominal fin and on the body near the gills there is a beautiful red color. This red color makes Nannostomus trifasciatus fish look beautiful. Nannostomus trifasciatus fish live in waters with moderate lighting levels. In nature these fish breed by laying eggs. For fish hobbyists, Nannostomus trifasciatus fish can be kept in an aquarium. Some things to consider in maintaining fish in an aquarium, namely: 1. pH. Nannostomus trifasciatus fish that are kept in aquariums must live and grow well. In order for this fish to grow and live well the aquarium water must have an optimal pH value. The pH value of water that is good for raising fish is 6.8. 2. The level of water hardness. The level of hardness of ...