Media gallery

EOD waveform of Cyphomyrus psittacus JPS-214

EOD waveform of Cyphomyrus psittacus JPS-250

Heads of Cyphomyrus macrops (top), Cyphomyrus psittacus (bottom) for comparison. From Poll (1939).

Gnathonemus aelsbroecki Poll (= Cyphomyrus aelsbroecki). Holotype, MRAC 54990, Lubumbashi, D.R. Congo

Marcusenius tanganicanus Boulenger (=Cyphomyrus dischorhynchus) types

Mormyrus psittacus Boulenger (= Cyphomyrus psittacus) holotype BMNH 1897.9.30.26

Hippopotamyrus (Cyphomyrus) discorhynchus

comparison of mouth of Cyphomyrus wilverthi (left) with that of C. psittacus (right)

Cyphomyrus psittacus (Boulenger) 190 mm TL, Muita River, affluent of Luembe River, Angola. From Poll (1967).

Illustration of Marcusenius petherici Blgr (=Pollimyrus petherici) from Boulenger's Fishes of the Nile (1907)

Cyphomyrus wilverthi, male, Odzala National Park, Congo River, Republic of Congo

Cyphomyrus wilverthi, 130 mm SL, JPS-538, UNIKIS-10-082, Boyoma Falls, Kisangani, D.R Congo

Cyphomyrus psittacus, 145 mm SL, tag no. JPS-214, field no. UNIKIS-10-32, Congo River at Ubundu

Cyphomyrus psittacus, 198 mm SL, tag no. JPS-250, field no. UNIKIS-10-36, 17-Jun-2010, Congo River at Batikamoundje, Province Or

Gnathonemus aelsbroecki Poll (= Hippopotamyrus aelsbroecki) holotype illustration

Cyphomyrus macrops (Boulenger) holotype BMNH 1899.6.27.12

Marcusenius budgetti Boulenger holotype BMNH 1904.1.20.9

Marcusenius wilverthi Boulenger syntype MRAC 47, Congo River at Upoto [Lisala]

Cyphomyrus weeksii female, 143 mm SL, specimen no. 5134, Lékoli River, Odzala National Park, Republic of Congo

types of Marcusenius cubangoensis Pellegrin (= Cyphomyrus discorhynchus) from Cubango [Okavango] River, Angola

Hippopotamyrus (Cyphomyrus) discorhynchus lateral view of head

Marcusenius weeksii Boulenger holotype BMNH 1901.12.21.5 Monsembe, (Equateur) D.R. Congo

Cyphomyrus wilverthi

Cyphomyrus discorhynchus Ruzizi River, Burundi.

Mormyrus discorhynchus Peters (= Cyphomyrus discorhynchus) lectotype ZMB 3673, Mozambique.jpeg

Marcusenius grahami Norman syntypes BMNH 1928.5.24.7-13.jpeg

Cyphomyrus discorhynchus, Lake Kariba (Zambezi R.)