Keywords: لاگانا; BSA; bovine serum albumin; EGTA; ethylene glycol bis(β-aminoethylether)-N,Nâ²-tetraacetic acid; HEPES; 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid; NZR; Normal Zebrafish Ringer's; electrophysiology; K+ channels; Ca2+ channels; lagena; utricle;