Fathead Swarmer: Difference between revisions
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Females are larger than males by at least 2 cm and become more fertile with age. They also have a larger fatty dome that, because of its appearance, earned them their name. The dome-like mass helps to distinguish between the sexes, as the males have an insignificantly sized one, as well as help to focus their sonar. Mating takes place during the beginning of the warmer months, during which the females will produce dozens of young who will be free to feast on the young and eggs of other swarmer species
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