Kin recognition in embryonic fishes

Sheet 1 - Data for the percentage change in heart rate of Amphiprion melanopus embryos after introduction of one of six chemical cues. Sheet 2 - Data for the percentage change in heart rate of Acanthochromis polyacanthus embryos after introduction of one of six chemical cues. Sheet 3 - Pilot trial data comparing embryonic reactions to alarm cues produced from either fresh or frozen and defrosted embryos.