Welcome, mormyrophile!

Looking for information on mormyrid fishes? You're in the right place. Here you'll find a classification reflecting the most recent published changes to mormyrid taxonomy, a page for each mormyrid genus and species including a photograph of the type specimen, information on the electric organ discharge waveform (EOD) if known, and a bibliography including all original species descriptions and many other important works on mormyrids. We hope this site is useful to the specialist and general public alike. This is an ongoing labor of love. Check back often to see what's been added and get in touch if you've something to contribute.

How to use this site: Use the search box (upper right corner of this window) if you know the name of the taxon or author you're looking for. Alternatively, click on the "Mormyridae" tab (upper left) where you can start with an introduction to these fishes, a key to genera, and a clickable classification. To learn how to monitor, display, record and compare the electric organ discharges of mormyrids see the articles under the blog tab.

Mormyrometer: As of 24 September 2025, there are 239 described mormyrid species we regard as valid. More await description. How many of them do you know?

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

Creator: Sullivan, John P. Creative Commons Licence

Stomatorhinus puncticulatus Boulenger syntype MRAC 634, Boma, D.R. Congo

Creator: ETI BioInformatics / Wilhelm Harder Creative Commons Licence

Illustration of Marcusenius petherici Blgr (=Pollimyrus petherici) from...

Creator: G. Boulenger Creative Commons Licence

Brienomyrus tavernei Poll holotype

Creator: ETI BioInformatics / Wilhelm Harder Creative Commons Licence
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith