The mandarin fish is distinguished by its various bright colors. This type of fish has a blue body with red and brown stripes. The color of the head is green and yellow, and small spots of yellow color are spread on both sides of the head. The abdomen is almost colorless or tends to light blue to white.

The peel does not cover the skin of the mandarin fish, but rather a thin gelatinous layer, which emits an unpleasant odor when exposed to air. This gel layer protects the fish from parasites and pathogens. The length of the mandarin is between 5 to 8 centimeters, while the males are larger than the females. The male has a large front fin on the back.

The mandarin fish is also known for its unique distinctive colours, it is also known for its large belly fin, raised eyes and pointed mouth.