abnormal fertility/fecundity, abnormal glossopharyngeal ganglion morphology, abnormal hippocampus CA3 region morphology, abnormal hippocampus development, abnormal hippocampus pyramidal cell layer, abnormal interparietal bone morphology, abnormal membranous labyrinth morphology, abnormal neuron differentiation, abnormal otic vesicle development, abnormal placing response, abnormal resting posture, abnormal rhombomere 3 morphology, abnormal rhombomere 4 morphology, abnormal rhombomere 5 morphology, abnormal rhombomere morphology, abnormal righting response, abnormal roof plate morphology, abnormal tail development, abnormal vertebral arch development, abnormal vestibular labyrinth morphology, absent otoliths, absent pinna reflex, absent utricle, absent vestibular saccule, belly spot, belted, bidirectional circling, bleb, circling, deafness, decreased body size, decreased brain size, decreased dopaminergic neuron number, dilated endolymphatic duct, dilated endolymphatic sac, head tossing, impaired righting response, increased or absent threshold for auditory brainstem response, inner ear hypoplasia, kinked tail, postnatal lethality, premature death, prenatal lethality, complete penetrance, preweaning lethality, incomplete penetrance, reduced cerebellar foliation, short scala media, short tail, small cerebellum, syndromic hearing loss, synostosis, white spotting