Media gallery

EOD waveform of Gnathonemus petersii

Brevimyrus niger female, 100mm SL, small stream near Gambella, Ethiopia

single electric organ discharge (EOD) of Brevimyrus niger JPF-08-1107, 1ms record duration

Illustration of Marcusenius brachistius (=Brienomyrus brachyistius) from Boulenger 1909, p.68

Campylomormyrus phantasticus 133 mm SL, Sanaga River, Cameroon. CU 89956, spec. no. 6009

EOD waveform of Campylomormyrus phantasticus (3 superimposed)

EOD waveform of Cyphomyrus psittacus JPS-214

EOD waveform of Cyphomyrus psittacus JPS-250

Illustration of holotype of Marcusenius macrops Boulenger (=Cyphomyrus macrops)

Mormyrops boulengeri, 295 mm SL, specimen no. JPS-10-442, field no. UNIKIS-10-74, Lubilu River near Yangambi, D.R. Congo.

Pollimyrus isidori CU 94591, Baro River at Itang (White Nile), Gambella, Ethiopia. Scale in inches.

Petrocephalus bovei, Baro River (White Nile) near Gambella, Ethiopia

Pollimyrus isidori, below Alwero dam at Abobo (White Nile), Gambella, Ethiopia

Marcusenius monteiri, 94 mm SL, tag no. JPS-113

Marcusenius monteiri, 205 mm SL, tag no. JPS-202

Marcusenius monteiri, 190 mm SL, tag no. JPS-275

Marcusenius stanleyanus, 138 mm SL, tag no. JPF-1920

Marcusenius monteiri, 188 mm SL, tag no. JPF-1921

EOD of Hippopotamyrus pictus

Mormyrops caballus, 215 mm SL, MCAB6029, Chûtes de Nachtigal, Sanaga River, Cameroon, 5 Feb 2004.

Marcusenius batesii Boulenger (= Paramormyrops batesii) syntypes BMNH 1906.5.26.159-160, Kribi River at Efulen, Cameroon

Illustration of the type specimen of Gnathonemus monteiri Günther (Marcusenius monteiri) from p.106 of Boulenger (1909).

Hippopotamyrus (Cyphomyrus) discorhynchus

Campylomormyrus alces female, rapids above Kisangani, D.R. Congo, closeup of head

Gnathonemus petersii specimens from the Tshopo, R. near Kisangani, D.R. Congo.

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

Mormyrus caballus caballus Boulenger, 148 mm TL, Luachimo River, Angola. Illustration of holotype from Poll (1967).

Stomatorhinus ater Pellegrin syntypes MRAC 15098-9, 93 & 82 mm SL, Kidada, Bas Congo, D.R. Congo

Stomatorhinus corneti Boulenger holotype MRAC 638, 93 mm SL, Stanley Pool (Malebo Pool), Congo River

Stomatorhinus polli paratype MRAC 138993, Ikela region, Congo

Stomatorhinus polli Matthes paratypes MRAC 138976-78, Ikela region, D.R. Congo

EOD waveform of Marcusenius monteiri tag no. JPF-1921, 24.7°C

Mormyrops caballus EOD waveform

EOD waveform of Mormyrops furcidens JPS-10-439 from Lubilu River, Orientale, D.R. Congo.

Mormyrus tapirus EOD waveform

Petrocephalus microphthalmus EOD waveform

Petrocephalus simus EOD waveform

Marcusenius stanleyanus, 128 mm SL

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

Mormyrus proboscirostris Boulenger, 1898 185 mm SL, JPS-539, UNIKIS-10-082, Wagenia Falls, Kisangani

Mormyrus proboscirostris Boulenger 245 mm SL, JPS-544, Wagenia Falls, D.R. Congo

Marcusenius cyprinoides CU 94647, Alwero River (White Nile) below dam at Abobo, Gambella, Ethiopia

Pollimyrus isidori, Alwero River (White Nile) below dam at Abobo, Gambella, Ethiopia

Mormyrus hasselquistii CU 94650, Alwero River below dam (White Nile), Gambella, Ethiopia

Mormyrops zanclirostris, 175mm SL, tag #.JPS-1061, field # JPS-11-001, 16-May-11, Ivindo River at Loa Loa, Gabon.

Marcusenius monteiri tag no. JPS-070

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

Campylomormyrus elephas 117 mm SL

Marcusenius stanleyanus, 93 mm SL, tag no. JPS-231

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

Marcusenius monteiri, 112 mm SL, tag no. JPF-1893

Mormyrus caballus Boulenger Lékoli River, Odzala National Park, Republic of Congo

illustration of Gnathonemus christyi Boulenger (= Campylomormyrus christyi) syntype from Boulenger 1920

Hippopotamyrus ansorgii BMNH 1978.8.3.1-4, upper Ruo River, Malawi

Hippopotamyrus pictus female, Baro River, Gambela, Ethiopia, 279 mm SL

Ivindomyrus opdenboschi, Ivindo River at Makokou, Gabon

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