Mormyrops

Mormyrops is a genus of weakly electric fish in the family Mormyridae from freshwater in Africa. They are characterized by an elongate head measuring twice as long as high, and no teeth on the palate or the tongue.^[1] The genus includes the largest member of the mormyrid family, the cornish jack (Mormyrops anguilloides) at up to 1.5 m (4.9 ft) in length.^[2]

Mormyrops
Mormyrops masuianus (above), Mormyrops lineolatus (below)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Osteoglossiformes
Family:	Mormyridae
Genus:	Mormyrops J. P. Müller, 1843
Synonyms
Oxyrhynchus Leach 1818 non de Blainville 1926 non Brandegee

Taxonomy and species

M. engystoma (top left),
M. microstoma (top right),
M. attenuatus (middle),
M. sirenoides (bottom)

Two long-nosed species, M. zanclirostris (shown) and M. boulengeri, are sometimes placed in their own genus Oxymormyrus instead^[3]

According to FishBase, there are currently 21 recognized species in this genus.^[4]

• Mormyrops anguilloides (Linnaeus, 1758) (Cornish jack)
• Mormyrops attenuatus Boulenger, 1898 (Upoto mormyrid)
• Mormyrops batesianus Boulenger, 1909 (Bumba mormyrid)
• Mormyrops breviceps Steindachner, 1894 (Liberian elephantfish)
• Mormyrops caballus Pellegrin, 1927 (Sanaga mormyrid)
• Mormyrops citernii Vinciguerra, 1912 (Genale mormyrid)
• Mormyrops curtus Boulenger, 1899 (Boma mormyrid)
• Mormyrops curviceps Román, 1966 (Bougouriba mormyrid)
• Mormyrops engystoma Boulenger, 1898 (Matadi mormyrid)
• Mormyrops furcidens Pellegrin, 1900 (Alima mormyrid)
• Mormyrops intermedius Vinciguerra, 1928 (Rubi mormyrid)
• Mormyrops lineolatus Boulenger, 1898
• Mormyrops mariae (Schilthuis, 1891) (Kinshasa mormyrid)
• Mormyrops masuianus Boulenger, 1898
• Mormyrops microstoma Boulenger, 1898 (New Antwerp mormyrid)
• Mormyrops nigricans Boulenger, 1899 (Kutu mormyrid)
• Mormyrops oudoti Daget 1954 (Bamako mormyrid)
• Mormyrops parvus Boulenger, 1899 (parvus mormyrid)
• Mormyrops sirenoides Boulenger, 1898 (sirenoides mormyrid)
• Mormyrops zanclirostris (Günther, 1867)

References

1. Günther, A. (1866). Catalogue of the Fishes in the British Museum. The Trustees.
2. Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Mormyrops". FishBase. May 2017 version.
3. "Mormyridae" (PDF). Deeplyfish- fishes of the world. Retrieved 18 May 2017.
4. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Mormyrops". Catalog of Fishes. California Academy of Sciences. Retrieved 4 November 2024.