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Monomitopus agassizii.jpg
M. agassizii
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Ophidiiformes
Family: Ophidiidae
Genus: Monomitopus
Alcock, 1890

Monomitopus is a genus of cusk-eels.[1][2] They are oviparous.[3]

Life cycle[edit]

Analysis of stable oxygen isotope composition of otoliths has shown that Monomitopus pallidus and Monomitopus kumae undergo an ontogenetic habitat shift, spending their early life pelagically in shallower waters, before descending to the deep-sea floor where they stay for rest of their lives.[3]


There are currently 14 recognized species in this genus:[4]


  1. ^ Nelson, J. S. (2006). Fishes of the World (4 ed.). Hoboken, NJ: John Wiley & Sons. p. 246. ISBN 978-0-471-25031-9. 
  2. ^ Eschmeyer, W. N.; R. Fricke; R. van der Laan, eds. (1 July 2016). "Catalog of Fishes". California Academy of Sciences. Retrieved 24 July 2016. 
  3. ^ a b Chang, N. N.; Liu, E. Y.; Liao, Y. C.; Shiao, J. C. (2015). "Vertical habitat shift of viviparous and oviparous deep-sea cusk eels revealed by otolith microstructure and stable-isotope composition". Journal of Fish Biology. 86 (2): 845–853. doi:10.1111/jfb.12605. 
  4. ^ Froese, Rainer, and Daniel Pauly, eds. (2016). Species of Monomitopus in FishBase. January 2016 version.