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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.
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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]
Not only do the fish change sex, but they also change their markings at the same time. [5] The sexual inversion occurs at a length of about 18 cm (7 in). Male fish are territorial and defend a harem of females. The eggs are planktonic and larval development takes place during one to two months. [5]
The Cuban gar (Atractosteus tristoechus), also known as the manjuarí, is a fish in the family Lepisosteidae. [4] It is a tropical, freshwater species, although it also inhabits brackish water. [5] It is found in rivers and lakes of western Cuba and the Isla de la Juventud. [5] The flesh of the fish is edible, but the eggs are poisonous for ...
Gonochorism has evolved independently multiple times. [8] It is very evolutionarily stable in animals. [9] Its stability and advantages have received little attention. [10]: 46 Gonochorism owes its origin to the evolution of anisogamy, [11] but it is unclear if the evolution of anisogamy first led to hermaphroditism or gonochorism.
Trachurus lathami is a species of fish in the family Carangidae and the genus Trachurus, the jack mackerels. Common names include rough scad and horse mackerel [ 2 ] in English , as well as chinchard frappeur ( French ), chicharro garretón ( Spanish ), jurel (in Argentina and Uruguay ), and carapau , garaçuma , surel , and xixarro (in Brazil ...