Description
Rosy Barb – Glowlight Chilli
The Rosy Barb Glowlight Chilli (Pethia conchonius variant) is a vibrant freshwater fish known for its striking reddish-orange body and glowing fin highlights. Originating from South and Southeast Asia, this selectively bred variant displays enhanced colouration and active schooling behaviour, making it a dynamic addition to community aquariums. Its peaceful temperament, hardiness, and compatibility with a variety of species make it ideal for both beginner and experienced aquarists.
Features of Rosy Barb Glowlight Chilli
• Brilliant red to orange body with iridescent glowing fins
• Males display brighter coloration and slimmer bodies than females
• Adult size reaches 5–6 cm
• Active, schooling species that thrives in groups of six or more
• Peaceful but energetic; midwater swimmer
• Adaptable to a wide range of water conditions
The Best Aquarium Size for Rosy Barb Glowlight Chilli
A minimum aquarium of 80 litres is recommended for a small school, while 120 litres or larger allows more swimming space and stable water conditions. A tank length of at least 75 cm ensures ample horizontal swimming room and reduces stress from territorial disputes.
Tank Mate Compatibility for Rosy Barb Glowlight Chilli
This species coexists well with other peaceful and similarly sized fish. Suitable tank mates include:
-
Zebra Danios
-
Harlequin Rasboras
-
Corydoras Catfish
-
Dwarf Gouramis
-
Guppies
Diet for Rosy Barb Glowlight Chilli
Rosy Barbs are omnivorous and thrive on a varied diet. Offer high-quality flakes or pellets as the staple, supplemented with live or frozen foods such as brine shrimp, daphnia, and bloodworms. Occasional blanched vegetables like zucchini or spinach enhance colour vibrancy and overall health. Feed small portions twice daily to prevent water quality issues.
Aquarium Setup Rosy Barb Glowlight Chilli
Aquarium Filtration
Use efficient biological and mechanical filtration to maintain clean, oxygen-rich water. Moderate flow mimics their natural river habitats.
Aquarium Plants
Include robust, fast-growing plants such as Vallisneria, Hygrophila, and Anubias. Provide dense planting along the back and sides with open swimming zones in the centre.
Aquarium Lighting
Moderate to bright lighting highlights their glowing fins and body coloration. A photoperiod of 8–10 hours supports both fish activity and plant growth.
Aquarium Heating
Maintain water temperatures between 22–26°C. Stability is important to prevent stress and maintain vibrant colours.
Aquarium Substrate
Fine gravel or sand replicates their natural riverbed environment and supports plant growth.
Aquarium Decorations
Incorporate driftwood, smooth rocks, and leaf litter to provide visual interest and natural hiding spaces. Leave open midwater areas for schooling and energetic swimming.
