Macrocephenchelys brachialis is an eel in the family Congridae (conger/garden eels).Macrocephenchelys brachialis at www.fishbase.org. It was described by Henry Weed Fowler in 1934.Fowler, H. W., 1934 (20 Jan.) [ref. 1416] Descriptions of new fishes obtained 1907 to 1910, chiefly in the Philippine Islands and adjacent seas. Proceedings of the Academy of Natural Sciences of Philadelphia v. 85 (for 1933): 233-367. It is a marine, deep water-dwelling eel which is known from two specimens collected in the Macassar Strait, in the western central Pacific Ocean. It is known to dwell at a depth of . Males can reach a total length of .

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