Odontobutidae

Dark Sleeper

Odontobutis obscurus

Fish Reaching Seventeen Point Five Centimeters in Japanese Waters

• Temperate
• Regional distribution
• Freshwater fish
• East Asia
• Fusiform
• Medium
• Temperate fish

Dark Sleeper is known around Asia as a freshwater fish; It occurs in freshwater habitats, and the largest recorded length is 17.5 cm.