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Enypniastes is a genus of deep-sea sea cucumber.It is monotypic, being represented by the single species Enypniastes eximia.Due to its unique appearance, the species has been dubbed the headless chicken fish, headless chicken monster, and the Spanish dancer.
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 Zapotec word muxe is thought to derive from the Spanish word for "woman", mujer. [3] In the 16th-century, the letter x had a sound similar to "sh" (see History of the Spanish language § Modern development of the Old Spanish sibilants). The word muxe is a gender-neutral term, among the many other words in the language of the Zapotec. Unlike ...
Sexual dimorphism also occurs in hermaphroditic fish. These species are known as sequential hermaphrodites. 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]
The rainbow runner (Elagatis bipinnulata), also known as the rainbow yellowtail, Spanish jack and Hawaiian salmon, is a common species of pelagic marine fish of the jack family, Carangidae. The species is widespread throughout the tropical and subtropical waters of the world, inhabiting both coastal and offshore areas.
The mullets or grey mullets are a family (Mugilidae) of ray-finned fish found worldwide in coastal temperate and tropical waters, and some species in fresh water. [1] Mullets have served as an important source of food in Mediterranean Europe since Roman times. The family includes about 78 species in 26 genera. [2]
[1] [2] In terms of importance, the masculine gender is the default or unmarked, while the feminine gender is marked or distinct. [2] Many gender-related features are common across Romance languages. However, Spanish differs from other Romance languages, like French and Italian, in its kinship terms.
However, this change in sex is permanent: once an initial phase female or male changes into a terminal phase male, it cannot change back. An experiment removing terminal phase males from a population showed that more females changed into terminal phase males, and even aggression levels increased and coloration changes occurred to signify the ...