Fig. 1
From: Morphological differences in tardigrade spermatozoa induce variation in gamete motility
Observations of the ejaculated spermatozoa A&B The ejaculated spermatozoa were recorded. Arrow heads indicate the released spermatozoa. C, D Schemas of spermatozoa of Paramacrobiotus sp. and M. shonaicus, respectively. E Time lapse images of spermatozoa swimming. Scale bars: μm. Abbreviations a, m, n, t and tt indicate acrosome, mid-piece, nucleus, tail and tuft, respectively