Jae Barb Care Guide

Enteromius jae · Freshwater Fish

Jae Barb
AI-generated illustration of Jae Barb
Temperature
72-82°F
pH
6.0-7.5
Adult size
~1.6″ (4 cm)
Suggested tank
20+ gal
Group size
6+ together

What Jae Barb look like

The Jae Barb (Enteromius jae) exhibits a diminutive, laterally compressed body, typically reaching a maximum adult size of 1.5 inches (approximately 4 cm). The species is characterized by its striking coloration, with males displaying an intense deep ruby-red to wine hue, particularly during breeding periods, while females are generally less vivid. This sexual dimorphism is evident not only in coloration but also in body shape, with males often exhibiting a slightly more streamlined form. The Jae Barb possesses a small, terminal mouth equipped with fine, pharyngeal teeth adapted for grazing on algae and detritus. Notably, this species features a well-defined lateral line, which aids in detecting vibrations in the water, and a single dorsal fin positioned towards the rear of the body, contributing to its agile swimming capabilities. Defensive adaptations include a rapid swimming ability and schooling behavior, which provides safety in numbers against potential predators.

Behavior & temperament

Jae Barbs are social fish that thrive in small groups, exhibiting a strong tendency to school, particularly in the presence of perceived threats. They typically inhabit the mid to upper water column in their natural blackwater environments, where they engage in active foraging. This species is known for its peaceful temperament, making it an excellent addition to community tanks; however, they can display territorial behaviors during breeding. Jae Barbs are egg scatterers, with females releasing adhesive eggs among vegetation, where they are left to develop independently. Their breeding behavior is often stimulated by changes in water temperature and light conditions, mimicking the seasonal variations of their native habitats.

Diet & feeding

In the wild, Jae Barbs are omnivorous, feeding on a varied diet that includes small invertebrates, algae, and detritus. In captivity, they thrive on high-quality flake foods, supplemented with live or frozen foods such as daphnia and brine shrimp to ensure a balanced diet.

Behind the name

Enteromius (enteron - intestine; bios - life) refers to the fish's dietary habits, while 'jae' is derived from its common name, acknowledging its discovery and popularity in the aquarium trade.

Plan your tank

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

Keeping Jae Barb?

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