evo12208-sup-0001-Supmat.mov5673KSperm motility videos are linked to the online version of the paper at: Representative movies showing 6.7 sec of activated salmon sperm at ×400 under dark field phase contrast commencing 3–5 sec following activation in salmon ovarian fluid (Video 1) and river water (Video 2). Sperm trajectories follow a straighter path in ovarian fluid (Video 1) compared with circular paths in water (Video 2).
evo12208-sup-0002-Supmat.mov5692KSupporting InfoItem.

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