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The males can change sex to female during their lives, and live in a harem in which an established dominance hierarchy manages the group and keeps individuals at a specific social rank. All anemonefish are protandrous hermaphrodites, meaning they first develop into males and may become females later in life.
If the female anemonefish is removed from the group, such as by death, one of the largest and most dominant males becomes a female. [16] The remaining males move up a rank in the hierarchy. Clownfish live in a hierarchy, like hyenas, except smaller and based on size not sex, and order of joining/birth.
Like many wrasses, the hogfish is a sequential hermaphrodite, meaning it changes sex during different life stages; it is a protogynous, "first female" hermaphrodite; juvenile hogfish start out as female and then mature to become male. The change usually occurs around three years of age and about 36 centimetres (14 in) in length. [6]
In fish, reproductive histories often include the sex-change from female to male where there is a strong connection between growth, the sex of an individual, and the mating system within which it operates. [55] In protogynous mating systems where males dominate mating with many females, size plays a significant role in male reproductive success ...
The common name of "Amazon molly," acknowledges this trait as a reference to the Amazon warriors, a female-run society in Greek mythology. [4] The Amazon molly is a hybrid species, and its parent species are the sailfin molly ( Poecilia latipinna ) and the Atlantic molly ( Poecilia mexicana ). [ 5 ]
Goldfish has just announced that it's embracing its more mature, sophisticated side with a fitting new name. As of today, Goldfish will now be known as Chilean Sea Bass crackers.
Some species show functional gonochorism, meaning that they are born functionally either male or female, and remain so for their entire life; there is no sex change. Meanwhile, functionally hermaphoditic species exhibit sex change, and are protogynous , meaning that individuals that are functionally female can become functionally male.
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