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Fig. 1. (A) Straight line velocity (VSL) of stickleback sperm diluted in
different concentrations of ovarian fluid: 0% (black squares), 0.75% (white
squares), 1.56% (filled diamonds), 3.125% (filled circles), 6.25% (open
circles), 12.5% (downward pointing filled triangles), 25% (downward pointing
open triangles), 50% (open diamonds). (B) VSL of stickleback sperm
diluted in different concentrations of artificial ovarian fluid (AOV1 3.125%
(filled circles), AOV1 6.25% (open circles), AOV1 12.5% (downward pointing
filled triangles), AOV1 25% (downward pointing open triangles), AOV2 12.5%
(upward pointing filled triangles) AOV2 25% (upward pointing open triangles).
For A and B, N=6 for all groups. (C) VSL of stickleback
sperm diluted in artificial ovarian fluid (AOV1) 25% (N=6) (downward
pointing open triangles), Millipore filtrated water (N=6) (open
circles), and mannitol solution (mean, N=12) (downward pointing
filled triangles). Values are mean ± s.e.m. For statistics, see
Results. Note that the scale of the x-axis is not linear.