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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]
The queen coris can be a threat to smaller fish, and it is a very effective invertebrate hunter. In aquariums, it has a habit of rearranging sand and rocks, and it tends to dig itself down in sandy substrate. [6] The digging may serve various purposes. This includes breeding, as the fish may lay eggs under sand for protection.
[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.
Protogyny is the most common form of hermaphroditism in fish in nature. [30] About 75% of the 500 known sequentially hermaphroditic fish species are protogynous and often have polygynous mating systems. [31] [32] In these systems, large males use aggressive territorial defense to dominate female mating.
Many grammars of Spanish suggest that nouns ending in -a are feminine, [14] [15] but there is no requirement that Spanish nouns ending in -a be feminine. [10] Thus, grammars that pose such a requirement also typically include a long list of exceptions, such as el alerta 'alert', el bocata 'sandwich', el caza 'fighter plane', and many others.
The common name "grouper" is usually given to fish in one of two large genera: Epinephelus and Mycteroperca. In addition, the species classified in the small genera Anyperidon, Cromileptes, Dermatolepis, Graciela, Saloptia, and Triso are also called "groupers". Fish in the genus Plectropomus are referred to as "coral groupers". These genera are ...
Several studies have found that small male fish will look and behave like the female of their species in order to gain access to female territory and copulate with them. [5] [6] In the fish family Blenniidae, the female Salaria pavo will show a specific colour pattern and movement when they want to approach a male and copulate with him. The ...
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 ...