Fire Rasbora Care Guide

Rasboroides vaterifloris · Freshwater Fish

Fire Rasbora
AI-generated illustration of Fire Rasbora
Temperature
72-82°F
pH
6.0-7.5
Adult size
~2″ (5 cm)
Suggested tank
20+ gal
Group size
6+ together

What Fire Rasbora look like

Rasboroides vaterifloris, commonly known as the Fire Rasbora, exhibits a slender, fusiform body shape that typically reaches a maximum adult size of 1.5 to 2 inches (approximately 4 to 5 cm). The species is characterized by its strikingly vivid orange to fiery red coloration, which is most pronounced in males, showcasing sexual dimorphism where males display brighter hues compared to the more subdued tones of females. The body is adorned with a smooth, laterally compressed profile, and it possesses a small, forked caudal fin that aids in agile swimming. Unique morphological features include a prominent lateral line that aids in sensory perception, as well as small, conical teeth adapted for an omnivorous diet. The Fire Rasbora also lacks an adipose fin, which is a notable trait among many cyprinids, further distinguishing its appearance.

Behavior & temperament

The Fire Rasbora is a social fish that thrives in small to medium-sized groups, demonstrating a preference for a schooling behavior that enhances its safety from predators. It typically inhabits the mid to upper water column in its natural habitat, often found in slow-moving streams and shallow waters rich in vegetation. Breeding behavior is characterized by egg scattering, where females release eggs among plants, allowing for natural fertilization by males. The species exhibits a peaceful temperament, making it suitable for community tanks, although it can display slight territoriality during breeding periods. Overall, the Fire Rasbora is known for its active and lively nature, contributing to its popularity among aquarists.

Diet & feeding

In the wild, the Fire Rasbora is an omnivore, feeding on a varied diet that includes small invertebrates, algae, and plant matter. In captivity, it requires a balanced diet consisting of high-quality flake food, live or frozen foods such as daphnia and brine shrimp, along with vegetable matter to ensure optimal health.

Behind the name

Rasboroides (from 'Rasbora,' a genus of small freshwater fish; 'oides' meaning 'like' or 'resembling') and vaterifloris (from 'vateri,' derived from Latin meaning 'father' or 'source,' and 'floris' meaning 'flower,' possibly referring to the fish's vibrant coloration reminiscent of flowers).

Plan your tank

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

Keeping Fire Rasbora?

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