Magnisudis atlantica

Common Name

Duckbill Barracudina

Year Described

Krøyer, 1868


Dorsal Fin: 9-11
Anal Fin: 20-22
Pectoral Fin: 15-17
Pelvic Fin: 9
Lateral Line: 55-62
Vertebrae: 63-66

Body and most of head completely covered in deciduous scales. Lower jaw with teeth minute to missing entirely.


Body various shades of brown, with dark gill membranes and peritoneum.


Maximum size to 560mm SL.


Mesopelagic to bathypelagic from 66-2166m. Smaller specimens in shallower waters.

Range Map

 Range Map


Known from the Gulf Stream region, the central Atlantic, and the eastern Gulf of Mexico.


McEachran, J.D. and J.D. Fechhelm. 1998. Fishes of the Gulf of Mexico. Volume 1: Myxiniformes to Gasterosteiformes. University of Texas Press, Austin. i-viii + 1-1112.

Rofen, R.R. In: Anderson, W.W., R.H. Gibbs, F.H. Berry, W.A. Gosline, J.E. Bohlke, N.B. Marshall, R.L. Bolin, G.W. Mead, J.W. Gehringer, R.R. Rofen, and N.J. Wilimovsky. 1966. Fishes of the Western North Atlantic. Part 5. Iniomi and Lyomeri. Memoir No. 1. Sears Foundation for Marine Research; Yale University, New Haven, CT. 647 pp., 220 plates.