Sarcocheilichthys sinensis – Chinese Lake Gudgeon (~12 cm)

📦 Description

Sarcocheilichthys sinensis, commonly named the Chinese Lake Gudgeon, is a freshwater fish in the Gobionidae family (gudgeons) found in habitats from the Amur Basin through China to Korea . It typically reaches about 12 cm in standard length, with a maximum of 30 cm . The body is characterized by 4–5 broad, faint vertical brown bands over a muddy yellow base, with similarly colored, subtly marked fins . This peaceful, bottom-associated fish often dwells in still or slow-moving waters like lakes and gentle streams. As a schooling species, it displays “jumping” midwater behavior alongside resting on the substrate .

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🧰 Care Instructions

Tank Size: Minimum 20 gal (~75 L), ideal for small groups.

Water Conditions:

Temperature: 16–22 °C (61–72 °F)

pH: Neutral (~7.0)

Hardness: Approximately 20 °dGH (moderately hard)

Substrate & Decor: Use smooth sand or fine gravel with rocks and driftwood to provide grazing zones and cover. Keep water clean with good filtration.

Diet: Omnivorous or carnivorous—feeds on bottom invertebrates and detritus; can be offered sinking pellets, frozen or live foods, and detritus/grazing material.

Behavior & Social Needs: Peaceful, sociable fish best kept in small groups (at least 3+). They interact among tankmates and exhibit charming midwater fluttering and bottom exploring behavior.

Maintenance: Regular water changes (20–30%) and clean mature tank conditions are key. Avoid over-cleaning substrate that supports their natural foraging.