Mexicana (genus)
''Mexicana'' is a genus of monogeneans belonging to the family Ancyrocephalidae.WoRMS (2018). Mexicana Caballero & Bravo-Hollis, 1959. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=518845 on 2018-08-13 All members of the genus are parasitic Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has c ... on fish. Species The following species are considered valid according to WorRMS: * '' Mexicana anisotremum'' Cezar, Paschoal & Luque, 2012 * '' Mexicana atlantica'' Luque, Amato & Takemoto, 1992 * '' Mexicana bychowskyi'' Caballero & Bravo-Hollis, 1959 * '' Mexicana iannaconi'' Chero, Cruces, Sáez & Alvariño, 2014 Chero, J., Cruces, C., Sáez, G., & Alvariño, L. (2014). ''Mexicana iannaconi'' n. sp. (Monogenea: Ancyrocephalidae) parasite of Chere-Chere Grunt ''Haemulo ...
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Animal
Animals are multicellular, eukaryotic organisms in the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, are Motility, able to move, can Sexual reproduction, reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of Cell (biology), cells, the blastula, during Embryogenesis, embryonic development. Over 1.5 million Extant taxon, living animal species have been Species description, described—of which around 1 million are Insecta, insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have Ecology, complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a Symmetry in biology#Bilate ...
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Platyhelminthes
The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek language, Greek πλατύ, ''platy'', meaning "flat" and ἕλμινς (root: ἑλμινθ-), ''helminth-'', meaning "worm") are a Phylum (biology), phylum of relatively simple bilaterian, Segmentation (biology), unsegmented, soft-bodied invertebrates. Unlike other bilaterians, they are acoelomates (having no coelom, body cavity), and have no specialized circulatory system, circulatory and respiratory system, respiratory organ (anatomy), organs, which restricts them to having flattened shapes that allow oxygen and nutrients to pass through their bodies by diffusion. The digestive cavity has only one opening for both ingestion (intake of nutrients) and egestion (removal of undigested wastes); as a result, the food cannot be processed continuously. In traditional medicinal texts, Platyhelminthes are divided into Turbellaria, which are mostly non-parasitic animals such as planarians, and three entirely p ...
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Monogenea
Monogeneans are a group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish. They have a direct lifecycle and do not require an intermediate host. Adults are hermaphrodites, meaning they have both male and female reproductive structures.L.A. Tubbsa et al. (2005). "Effects of temperature on fecundity in vitro, egg hatching and reproductive development of ''Benedenia seriolae'' and ''Zeuxapta seriolae'' (Monogenea) parasitic on yellowtail kingfish Seriola lalandi". ''International Journal for Parasitology''(35), 315–327. Some monogeneans are oviparous (egg-laying) and some are viviparous (live-bearing). Oviparous varieties release eggs into the water. Viviparous varieties release larvae, which immediately attach to another host. The genus ''Gyrodactylus'' is an example of a viviparous variety, while the genus ''Dactylogyrus'' is an example of an oviparous variety. Signs and symptoms Freshwater fish that become infected with this parasite become let ...
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Monopisthocotylea
The Monopisthocotylea are a subclass of parasitic flatworms in the class Monogenea. WoRMS (2019). Monopisthocotylea. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=119219 on 2019-02-08 Yamaguti, S. (1963). Systema Helminthum Volume IV Monogenea and Aspidocotylea: John Wiley & Sons.Hayward, C. (2005). Monogenea Polyopisthocotylea (ectoparasitic flukes). In K. Rohde (Ed.), Marine Parasitology (pp. 55-63): CSIRO, Collingwood, Australia & CABI, Oxon, UK. Classification There are only two subclasses in the class Monogenea: * Monopisthocotylea. The name means "a single posterior sucker" - the attachment organ (the haptor) is simple. * Polyopisthocotylea. The name means "several posterior suckers" - the attachment organ (the haptor) is complex, with several clamps or suckers. The subclass Monopisthocotylea contains these orders: * Order Capsalidea * Order Dactylogyridea * Order Gyrodactylidea * Order Monocotylidea * Order Montchadskyellidea Example of species * ...
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Ancyrocephalidae
Ancyrocephalidae is a family of monogenean flatworms.WoRMS (2018). Ancyrocephalidae Bychowsky & Nagibina, 1968. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=160481 on 2018-08-09 The family is considered as a "temporary name" in WorMS but includes a large number of genera and species. Genera *'' Actinocleidus'' Mueller, 1937 *'' Aethycteron'' Suriano & Beverley-Burton, 1982 *'' Ameloblastella'' Kritsky, Mendoza-Franco & Scholz, 2000 Kritsky, D. C., Mendoza-Franco, E. F., & Scholz, T. (2000). Neotropical Monogenoidea. 36. Dactylogyrids from the gills of ''Rhamdia guatemalensis'' (Siluriformes: Pimelodidae) from cenotes of the Yucatan Peninsula, Mexico, with proposal of ''Ameloblastella'' gen. n. and ''Aphanoblastella'' gen. n. (Dactylogyridae: Ancyrocephalinae). Comparative Parasitology, 67(1), 76-84. *'' Anchoradiscoides'' Rogers, 1967 *'' Anchoradiscus'' Mizelle, 1941 *'' Ancyrocephaloides'' Yamaguti, 1938 *'' Ancyrocephalus'' Creplin, 1839 *'' Androspir ...
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Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus comes above species and below family (taxonomy), family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants ...
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Monogenea
Monogeneans are a group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish. They have a direct lifecycle and do not require an intermediate host. Adults are hermaphrodites, meaning they have both male and female reproductive structures.L.A. Tubbsa et al. (2005). "Effects of temperature on fecundity in vitro, egg hatching and reproductive development of ''Benedenia seriolae'' and ''Zeuxapta seriolae'' (Monogenea) parasitic on yellowtail kingfish Seriola lalandi". ''International Journal for Parasitology''(35), 315–327. Some monogeneans are oviparous (egg-laying) and some are viviparous (live-bearing). Oviparous varieties release eggs into the water. Viviparous varieties release larvae, which immediately attach to another host. The genus ''Gyrodactylus'' is an example of a viviparous variety, while the genus ''Dactylogyrus'' is an example of an oviparous variety. Signs and symptoms Freshwater fish that become infected with this parasite become let ...
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Fish Parasites
Like humans and other animals, fish suffer from diseases and parasites. Fish defences against disease are specific and non-specific. Non-specific defences include skin and scales, as well as the mucus layer secreted by the epidermis that traps microorganisms and inhibits their growth. If pathogens breach these defences, fish can develop inflammatory responses that increase the flow of blood to infected areas and deliver white blood cells that attempt to destroy the pathogens. Specific defences are specialised responses to particular pathogens recognised by the fish's body, that is adaptative immune responses. In recent years, vaccines have become widely used in aquaculture and ornamental fish, for example vaccines for commercial food fishes like Aeromonas salmonicida, furunculosis in salmon and Lactococcosis\Streptococcosis in farmed grey mullet, Tilapia and koi herpes virus in koi. Some commercially important fish diseases are VHS, ICH, and whirling disease. Parasites ...
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Mexicana Anisotremum
Mexicana may refer to: * a woman born in Mexico * Mexicana de Aviación, a former airline of Mexico * ''Mexicana'' (ship), a topsail schooner built in 1791 by the Spanish Navy * ''Mexicana'' (film), a 1945 American film * ''Mexicana'' (genus), a genus of monogenean parasites * Mexicana (website), a web portal * Mexicana (Mexicana Con Orgullo), a Mexican soft drink See also * Mexicano (other) Mexicano is a Spanish word that means "Mexican" (see: Mexican (other)). Mexicano may also refer to: People * José Gonzalo Rodríguez Gacha a.k.a. "El Mexicano" ("The Mexican"), a Colombian drug lord who was one of the leaders of the Med ...

Mexicana Atlantica
Mexicana may refer to: * a woman born in Mexico * Mexicana de Aviación, a former airline of Mexico * ''Mexicana'' (ship), a topsail schooner built in 1791 by the Spanish Navy * ''Mexicana'' (film), a 1945 American film * ''Mexicana'' (genus), a genus of monogenean parasites * Mexicana (website), a web portal * Mexicana (Mexicana Con Orgullo), a Mexican soft drink See also * Mexicano (other) Mexicano is a Spanish word that means "Mexican" (see: Mexican (other)). Mexicano may also refer to: People * José Gonzalo Rodríguez Gacha a.k.a. "El Mexicano" ("The Mexican"), a Colombian drug lord who was one of the leaders of the Med ...

Mexicana Bychowskyi
Mexicana may refer to: * a woman born in Mexico * Mexicana de Aviación, a former airline of Mexico * ''Mexicana'' (ship), a topsail schooner built in 1791 by the Spanish Navy * ''Mexicana'' (film), a 1945 American film * ''Mexicana'' (genus), a genus of monogenean parasites * Mexicana (website), a web portal * Mexicana (Mexicana Con Orgullo), a Mexican soft drink See also * Mexicano (other) Mexicano is a Spanish word that means "Mexican" (see: Mexican (other)). Mexicano may also refer to: People * José Gonzalo Rodríguez Gacha a.k.a. "El Mexicano" ("The Mexican"), a Colombian drug lord who was one of the leaders of the Med ...

Mexicana Iannaconi
Mexicana may refer to: * a woman born in Mexico * Mexicana de Aviación, a former airline of Mexico * ''Mexicana'' (ship), a topsail schooner built in 1791 by the Spanish Navy * ''Mexicana'' (film), a 1945 American film * ''Mexicana'' (genus), a genus of monogenean parasites * Mexicana (website), a web portal * Mexicana (Mexicana Con Orgullo), a Mexican soft drink See also * Mexicano (other) Mexicano is a Spanish word that means "Mexican" (see: Mexican (other)). Mexicano may also refer to: People * José Gonzalo Rodríguez Gacha a.k.a. "El Mexicano" ("The Mexican"), a Colombian drug lord who was one of the leaders of the Med ...