Brachyhypopomus walteri and Brachyhypopomus bennetti (image) Pensoft Publishers Share Print E-Mail Caption This is an image of the two new species with their electric organ discharges (EODs). Brachyhypopomus walteri (top) has a longer, thinner tail and produces an EOD with both positive and negative phases. Brachyhypopomus bennetti (bottom) has a shorter, thicker tail and produces monophasic EODs. Credit John P. Sullivan Usage Restrictions CC-BY 3.0 Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.