Besides their crazy ability to change sex, another really unusual feature about clownfish is that in these species, the females are the alpha sex. Female clownfish are larger and more aggressive than their male partners, and the males do most of the fanning and tending of the eggs. If the males are not doing a good job, the females let them
From male clownfish that ascend to female status, to sparrows that exist in four sexes, to trisexual nematodes who can reproduce either in pairs or alone, myriad non-human animal species exist
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