Rakthamichthys rongsaw is a species of swamp eel discovered in the Khasi Hills in northeast India.

[1] The researchers were searching for caecilians, when they uncovered the eel in soil.

Due to this, all species were classified in the new genus Rakthamichthys.

[2] Only one eel has been identified to date, the specimen was approximately 400 mm (16 in) long.

[3] The eel is also absent from skin pigmentation and has 92 precaudal and 69 caudal vertebra.