Mamwe makemikari, akadai sehove, anokwanisa kuona uye kupindura shanduko muminda yemagetsi, kugona kunozivikanwa se electroreception, nepo vamwe, vanonzi electrogenic, vanokwanisa kugadzira voltages ivo pachavo kuti vashande sechombo chinopamba kana chekuzvidzivirira. Kurongeka kweGymnotiformes, iyo muenzaniso unonyanya kuzivikanwa ndeye magetsi emagetsi, vanoona kana kushamisa mhuka yavo kuburikidza nemagetsi epamusoro anogadzirwa kubva kumasero emuviri akachinjwa anonzi electrocytes. Mhuka dzose dzinotumira ruzivo pamwe chete nemasero emagetsi anonzi maitiro ekuita, ayo mabasa anosanganisira kutaurirana nehurongwa hwemitsipa pakati pemasero nemisumbu.
Kurohwa nemagetsi