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Gobionidae
Biwa Moroko Gudgeon
Gnathopogon caerulescens
Nine Point Nine Centimeters Gobionid Fish of Asian Waters
Gnathopogon caerulescens, the Biwa moroko gudgeon is a species of ray-finned fish in the genus Gnathopogon endemic to Lake Biwa in Japan. It is sometimes known by its Japanese name 'Honmoroko' (ホンモロコ).
- Class
- Teleosts
- Family
- Gobionidae
- Genus
- Gnathopogon
- Maximum length
- 9.9 cm
- Water
- Freshwater
- Distribution
- Asia: Lake Biwa, Japan.

