Dark sleeper

The dark sleeper, Odontobutis obscura, is a species of freshwater sleeper native to China, Japan, and Korea. This species can reach up to 25 cm (9.8 in) in length. It is a commercially important species.

Dark sleeper

The dark sleeper, Odontobutis obscura, is a species of freshwater sleeper native to China, Japan, and Korea. This species can reach up to 25 cm (9.8 in) in length. It is a commercially important species.