Blackedge Conger, Bathycongrus retrotinctus (Jordan & Snyder 1901)

Other Names: Randall's Conger
A pale brown somewhat silvery conger with abruptly paler sides, a pale pectoral fin, mostly pale dorsal and anal fins becoming black posteriorly, and a black tail tip.

Cite this page as:
Bray, D.J. 2023, Bathycongrus retrotinctus in Fishes of Australia, accessed 20 Jun 2024,

Blackedge Conger, Bathycongrus retrotinctus (Jordan & Snyder 1901)

More Info


SW of Rowley Shoals, Western Australia, depth 331-336 m. Elsewhere, the species occurs in Japan, Taiwan and the Philippines.


Body moderately elongate, tail slender, attenuated at tip; snout bluntly pointed, protruding beyond tip of lower jaw. Dorsal-fin origin slightly behind anterior-most insertion of pectoral fin to above middle of adpressed fin. Preanal lateral line pores 29-32.


In preservative: Head and body pale brown above, with a much paler belly, a black caudal fin and a pale pectoral fin.


The specific name retrotinctus is from the Latin retro (= behind) and tinctus (= dyed) in reference to the black tail tip of this species.

Species Citation

Leptocephalus retrotinctus Jordan & Snyder 1901, Proceedings of the United States National Museum 23(1239):853, fig. 6. Type locality: Tokyo market, Japan.


Bray, D.J. 2023


Atlas of Living Australia

Blackedge Conger, Bathycongrus retrotinctus (Jordan & Snyder 1901)


Ben-Tuvia, A. 1993. A review of the Indo-west Pacific congrid fishes of genera Rhynchoconger and Bathycongrus with the description of three new species. Israel Journal of Zoology 39(4): 349-370 (described as Bathycongrus randalli, type locality Philippines)

Castle, P.H.J. & Smith, D.G. 1999. A reassessment of the eels of the genus Bathycongrus in the Indo-west Pacific. Journal of Fish Biology 54(5): 973-995 

Jordan, D.S. & Snyder, J.O. 1901. A review of the apodal fishes or eels of Japan, with descriptions of nineteen new species. Proceedings of the United States National Museum 23(1239): 837-890 See ref at BHL

Smith, D.G. & Ho, H.-C. 2018. The congrid eel genus Bathycongrus of Taiwan, with descriptions of three new species (Anguilliformes: Congridae). Zootaxa 4454(1): 118-146.

Quick Facts

CAAB Code:37067036

Depth:181-545 m

Species Maps

CAAB distribution map