Pregnant Male Seahorses Selectively Abort and Consume Young from Ugly Females

seahorse scovelli_female_2

Seahorses and a few related fish are the only species where the males can get pregnant. These males take eggs from females and nurture them in their brood pouches. Researchers have discovered that these males may selectively abort young resulting from mating with less attractive females. The above video, which is preceded by a commercial, describes the results of this study. From Scientific American…

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