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The males do not have to compete with other males, and female anemone fish are typically larger. When a female dies a juvenile (male) anemone fish moves in, and "the resident male then turns into a female and reproductive advantages of the large female–small male combination continue". [22] In other fishes sex changes are reversible. For ...
The female's small body size is also likely beneficial to her chances of finding an unoccupied shell. Larger shells, although preferred by females, are often limited in availability. [53] Hence, the female is limited to the growth of the size of the shell and may actually change her growth rate according to shell size availability. [54]
It is a sequential hermaphrodite with a strict size-based dominance hierarchy; the female is largest, the breeding male is second largest, and the male nonbreeders get progressively smaller as the hierarchy descends. [3]
It has been shown that fishing pressure can change when the switch from male to female occurs, since fishermen usually prefer to catch the larger fish. The populations are generally changing sex at a smaller size, due to natural selection. Protogyny: Where the organism develops as a female, and then changes sex to a male. [15]
The blue-banded goby (Lythrypnus dalli) is a small fish found in shallow coastal waters of Southern California, commonly inhabiting eelgrass beds and rocky reefs. Known for its vibrant blue stripes, it exhibits both simultaneous and sequential hermaphroditism, with larger females more likely to transition to male roles.
The stoplight parrotfish is a protogynous hermaphrodite that shows full sexual dichromatism, meaning that it changes its sex from female to male during its lifespan, and its color changes with its sex change. [4] The sex change is most likely due to the control of hormones, in particular, 11-ketetestosterone (11-KT). [5] The timing of the sex ...
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The species is sequentially hermaphroditic, with most individuals maturing as males and becoming female after at least one spawning season; most of the larger specimens are therefore female. Fish held in captivity sometimes demonstrate features atypical of fish in the wild; they change sex at a smaller size, exhibit a higher proportion of ...