Bathymyrus simus is an eel in the family Congridae (conger/garden eels). It was described by J.L.B. Smith in 1965. It is a tropical, marine eel which inhabits moderately deep water. It is known from the Penghu Islands and Vietnam, in the western Pacific Ocean. Males can reach a maximum total length of 19.5 centimetres.
- Bathymyrus simus at www.fishbase.org.
- Smith, J. L. B., 1965 [ref. 9255] The Indian genus Bathymyrus Alcock, 1889 with description of a new species from Vietnam. Occasional Papers of the Department of Ichthyology, Rhodes University No. 2: 1-11, 1 pl.