Rhinogobius zhoui – Rare Scarlet Freshwater Goby
The Rhinogobius zhoui is a stunning and uncommon freshwater goby admired for its vibrant red-orange coloration, intricate markings, and fascinating bottom-dwelling behaviour.
Native to freshwater streams in southern China, this beautiful species is especially prized for the brilliant coloration displayed by mature males. Its compact body, expressive personality, and distinctive perching behaviour make it a captivating addition to specialized freshwater aquariums.
Unlike many traditional tropical fish, Rhinogobius zhoui prefers clean, oxygen-rich water with moderate flow, smooth stones, and plenty of natural hiding places. These fascinating gobies spend much of their time exploring rocks, defending small territories, and searching for food.
An exceptional choice for experienced aquarists seeking a colourful and unusual freshwater goby.
Care Guide
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Parameter
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Details
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Scientific Name
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Rhinogobius zhoui
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Common Name
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Zhou's Goby / Scarlet Goby
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Origin
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China
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Adult Size
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Approximately 4–5 cm
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Temperature
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18–24°C
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pH
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6.5–7.5
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Minimum Tank Size
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40–60 L+
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Diet
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Carnivorous, small frozen and live foods
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Temperament
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Territorial toward other bottom-dwelling gobies
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Care Level
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Intermediate
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Lifespan
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Approximately 3–5 years
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