Peacock Gudgeon (Tateurndina ocellicauda) – 3–4 cm

Species Overview

The Peacock Gudgeon is a small, colorful freshwater fish native to the rivers and streams of Papua New Guinea. It is known for its striking blue-green body, iridescent spots, and peaceful nature. This species is ideal for community tanks and is highly admired for its active and curious behavior.

Aquarium Setup & Care Instructions

Tank Size & Environment

• Minimum tank size: 10 gallons for a pair; 15 gallons recommended for a small group.

• Substrate: Dark-colored sand or fine gravel to enhance their colors.

• Decor: Provide dense plants, driftwood, and rocks. Floating plants are helpful for cover and security.

• Water Parameters: Temperature 22–27°C (72–80°F), pH 6.0–7.8, soft to moderately hard water.

Behavior & Tankmates

• Peaceful species, compatible with other small, non-aggressive fish.

• Best kept in pairs or small groups of 6–8.

• Males display brighter colors and will guard flat surfaces for spawning.

Diet

• Omnivorous.

• Feed a varied diet of high-quality flake foods, live or frozen foods like brine shrimp and daphnia, and occasional vegetable matter.