Cyprinidaefreshwater fishbeginner

Gold Barb

Pethia semifasciolata

Also known as: Gold Barb, Chinese Barb, Half-banded Barb

Origin: East Asia (China, Vietnam)

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Water Parameters

Temperature1824 °C
15 °C35 °C
pH68
49
GH (Hardness)520 °dGH
0 °dGH30 °dGH
KH (Alkalinity)210 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
7 cm
Min Tank
80 L
Lifespan
4-6
Swimming Level
middle
Schooling
Yes (6–12+)
Diet
omnivore
Temperament
peaceful active schooler

About

Originally described from southern China and northern Vietnam, the Gold Barb (Pethia semifasciolata) is an adaptable and resilient cyprinid that thrives across a wide range of water conditions. Its golden-yellow body with faint dark lateral spotting and reddish tints on the fins make it a visually appealing but undemanding schooling species. It grazes on algae and plant matter alongside accepting commercial foods readily.

Care Guide

Water: 18–24°C, pH 6.0–8.0, wide hardness tolerance (GH 5–20). Tank: 80 L minimum; tolerates planted and bare setups alike. Feeding: Omnivore; readily accepts flake, pellets, algae wafers, and frozen foods. Behaviour: Peaceful schooler; keep in groups of 6+; may nibble soft-leaved plants. Compatibility: Ideal community fish; compatible with most peaceful species including tetras, corydoras, and livebearers.

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