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Parachromis managuensis is a large species of cichlid native to freshwater habitats in Central America, where it is found from Honduras to Costa Rica. [2] The binomial name refers to Lake Managua in Nicaragua, from which the holotype was obtained. [3]
[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.
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]
Thalassoma bifasciatum forages for zooplankton, mollusks, small crustaceans (such as shrimp and krill), worms, other motile invertebrates, and the eggs of smaller fish, [4] as well as ectoparasites [4] on other fish. Initial phase males eat primarily zooplankton from currents, and females and initial phase males have certain hunting times ...
Fishes of the World is a standard reference for the systematics of fishes.It was first written in 1976 by the American ichthyologist Joseph S. Nelson (1937–2011). Now in its fifth edition (2016), the work is a comprehensive overview of the diversity and classification of the 30,000-plus fish species known to science.
The fish's name comes from the Portuguese and Spanish bonito (there's no evidence of the origin of the name), identical to the adjective meaning 'pretty'. However, the noun referring to the fish seems to come from the low and medieval Latin form boniton, a word with a strange structure and an obscure origin, related to the word byza, a possible borrowing from the Greek βῦζα, 'owl'.
Examples of intraspecific sexual mimicry in animals include the spotted hyena, certain types of fish, passerine birds and some species of insect. Interspecific sexual mimicry can also occur in some plant species, especially orchids. In plants employing sexual mimicry, flowers mimic mating signals of their pollinator insects.
Most male fish have two testes of similar size. In the case of sharks, the testes on the right side is usually larger [citation needed].The primitive jawless fish have only a single testis, located in the midline of the body, although even this forms from the fusion of paired structures in the embryo.