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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 ...
When a male finds a female, he bites into her skin and releases an enzyme that digests the skin of his mouth and her body, fusing the pair down to the blood-vessel level. [36] The male becomes dependent on the female host for survival by receiving nutrients via their shared circulatory system, and provides sperm to the female in return.
The male mosquitofish uses this tubular fin to secrete milt into the female's genital aperture in the process of internal fertilization. [3] [11] [2] The female's genital aperture is located just behind the anal fin and is an opening for the milt to fertilize the ova within the ovary. [11]
Anemonefish colonies usually consist of the reproductive male and female and a few male juveniles, which help tend the colony. [18] Although multiple males cohabit an environment with a single female, polygamy does not occur and only the adult pair exhibits reproductive behavior. However, if the female dies, the social hierarchy shifts with the ...
The male and female are the only sexually mature fish to reproduce. Clownfish are protandrous hermaphrodites, which means after they mature into males, they eventually can transform into females. They develop undifferentiated until they are needed to fill a certain role in their environment, i.e., if they receive the social and environmental ...
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". [25] In other fishes sex changes are reversible. For example, if some gobies are grouped by sex (male or female), some will switch sex. [4]: 164 [24]
After hatching of embryos, the female crosshatch triggerfish leaves the male's territory. This mating system is an example of male-territory-visiting polygamy. Triggerfishes exhibit other types of mating systems, as well, such as a nonterritorial-female (NTF) polygyny and territorial-female (TF) polygyny.
Female and type II male midshipman fish can be distinguished from each other by the female's slightly larger size, and the type II male midshipman's large reproductive organs. [3] The three sexes of midshipman fish have different steroid-mediated reproductive behaviors.
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