Rhinogobius yaoshanensis – ~4.5 cm Stream Goby

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Rhinogobius yaoshanensis – ~4.5 cm Stream Goby

Description

The Rhinogobius yaoshanensis is a modest yet captivating stream-dwelling goby, reaching up to approximately 4.5 cm in standard length. This species boasts a sleek, streamlined body that glides effortlessly among riverbed stones. Originating from the clear, cool, fast-flowing streams of China, it adds a splash of natural elegance and dynamic presence to well-curated nano aquascapes or bioactive setups.

Care Instructions

• Tank Setup: Provide an aquarium with strong water flow, rocky or mixed substrate, and shaded retreats using driftwood or rock formations; designed to simulate a natural stream environment.

• Tank Size & Filtration: A base tank dimension of 60 × 30 cm (around 54 L) is sufficient for a small group, equipped with a filter providing 4–5× turnover volume. 

• Water Conditions: Maintain clean, well-oxygenated water with temperatures between 16–24 °C, pH from 6.0 to 8.0, and soft to moderately hard water. Regularly change 30–50% of the water weekly. 

• Behavior & Social Needs: Prefers a group setting. Semi-territorial but generally peaceful if space and hiding spots are provided.

• Diet: Educate on an omnivorous diet incorporating fine flakes, micro pellets, and small live or frozen foods.