Neon Green Rasbora Care Guide

Microdevario kubotai · Freshwater Fish

Neon Green Rasbora
AI-generated illustration of Neon Green Rasbora
Temperature
72-82°F
pH
6.0-7.0
Adult size
~2″ (5 cm)
Suggested tank
10+ gal
Group size
6+ together
Origin
Thailand
Family
Danionidae

What Neon Green Rasbora look like

Microdevario kubotai, commonly known as the Neon Green Rasbora, exhibits a diminutive, laterally compressed body that reaches a maximum adult size of approximately 2 inches (5 cm). The species is characterized by its striking, translucent body adorned with a vibrant neon green hue, which serves as a form of camouflage in its natural habitat. Sexual dimorphism is subtle, with females generally appearing slightly larger and rounder during the breeding season. Unique morphological features include a well-developed adipose fin and a pronounced lateral line that aids in hydrodynamic sensing. The dentition is small and conical, adapted for a varied diet, while the overall fusiform shape enhances its agility in the water column. Defensive adaptations are minimal, relying on its small size and coloration to evade predators rather than physical defenses.

Behavior & temperament

The Neon Green Rasbora is a social species that thrives in small to moderate-sized groups, exhibiting a schooling behavior that enhances its safety in the wild. It primarily occupies the mid-water column, where it is often seen darting among vegetation and submerged structures. Breeding behavior is characterized by egg scattering, with females releasing eggs among fine-leaved plants, where they are fertilized by males. This species displays a generally peaceful temperament, making it suitable for community tanks, although it may exhibit slight territoriality during breeding periods. Aggression levels are low, and they coexist harmoniously with other small, non-aggressive fish.

Diet & feeding

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

Behind the name

Microdevario (small Devario); kubotai (named in honor of the Japanese ichthyologist, Dr. Kubo).

Plan your tank

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

Keeping Neon Green Rasbora?

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