Fig. 2From: Morphological differences in tardigrade spermatozoa induce variation in gamete motilityTracks, speeds and beats of the spermatozoa A The longest (black lines) and shortest (dotted lines) swimming tracks of the respective species. "x" indicates the start position. B The swimming speeds of the spermatozoa. C The beat frequency of tails. *: p < 0.01 in the Mann–Whitney U-test, n.s.: no significant differenceBack to article page