Hikari Danio Care Guide

Danio dichromatus · Freshwater Fish

Hikari Danio
AI-generated illustration of Hikari Danio
Temperature
64-79°F
pH
6.0-7.5
Adult size
~1.5″ (3.8 cm)
Suggested tank
10+ gal
Group size
6+ together
Origin
Asia
Family
Cyprinidae

What Hikari Danio look like

The Hikari Danio (Danio dichromatus) is a small, laterally compressed fish, reaching a maximum adult size of approximately 1.5 inches (3.8 cm). This species exhibits sexual dimorphism, with males typically displaying more vibrant coloration, characterized by a striking neon orange-pink hue that contrasts with the pale underbelly. The body is fusiform, allowing for agile swimming, and features a prominent lateral line that aids in hydrodynamic sensing. The dorsal fin is elongated and slightly pointed, while the anal fin is rounded, contributing to its streamlined appearance. Notably, the Hikari Danio lacks the deep body and plain coloration seen in some related species, making it a visually appealing addition to aquaria. Defensive adaptations include rapid swimming and schooling behavior, which helps to evade predators.

Behavior & temperament

The Hikari Danio is an active, social fish that thrives in schools, exhibiting a clear hierarchical structure within groups. It predominantly occupies the mid-water column, where it engages in dynamic swimming patterns. Breeding behavior is characterized by egg scattering, with females releasing eggs among vegetation, which are then fertilized by males. This species is generally peaceful and exhibits low levels of aggression, making it suitable for community tanks. Its active nature and schooling behavior contribute to a lively aquarium environment.

Diet & feeding

In the wild, the Hikari Danio is an omnivore, feeding on a varied diet that includes small invertebrates, algae, and detritus. In captivity, it requires a balanced diet of high-quality flake food, supplemented with live or frozen foods such as brine shrimp and daphnia to ensure optimal health and coloration.

Behind the name

The genus name 'Danio' is derived from the Latin 'danus', referring to a type of fish, while 'dichromatus' comes from the Greek 'di-' (two) and 'chroma' (color), indicating the species' distinctive two-tone coloration.

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Hikari Danio?

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