The most dominant fish in the shoal establish their leadership through playful behaviors. Many danio shoals have hierarchical systems. Danio Behavior & Compatibilityĭanios are social fish that exhibit shoaling behavior. Prefer moderately strong currents and well-oxygenated water. Schooling fish that do well in a peaceful community tank with at least 6 other blue danios. Blue danios: Silvery-blue with a turquoise hue and horizontal black lines from the gills to the tail.Active, social fish that do best in groups of 10 or more. Females have transparent fins, while males have an orange hue to the caudal fin. Black-barred danios: Greyish-brown bodies with black vertical bars across the abdominal side.Hardy, peaceful schooling fish that should be kept in groups of eight or more. Panther danios: Torpedo-shaped bodies that display a range of colors when illuminated with light.Peaceful fish that get nervous around large tank mates. Glowlight danios: More colorful than most fish in the danio family, with red, green, orange, silver, blue, yellow, black, and gold coloring.Peaceful fish that do well in a well-furnished community tank. Gold ring danios: Silver-gold bodies with black spots spanning from the gills to the tail.Active and peaceful fish that enjoy a strong current and do best in schools of six or more. Longfin leopard danios: A spotted version of the zebra danio, with silver bodies patterned with pale blue spots.Although some danios species are more popular than others, there are plenty of other interesting varieties:
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