Rogelio Aguilar-Aguilar- PhD
- Professor (Full) at National Autonomous University of Mexico
Rogelio Aguilar-Aguilar
- PhD
- Professor (Full) at National Autonomous University of Mexico
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Introduction
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January 2010 - December 2012
Publications
Publications (84)
Por diversas razones, el ajolote, Ambystoma mexicanum, es una especie emblemática de la
Cuenca de México. En este trabajo se presentan de manera sucinta algunos aspectos de la
relevancia cultural y biológica de esta especie, describiendo los esfuerzos por conservarla y
haciendo énfasis en el papel que juega la percepción de la sociedad en las actua...
A new species of nematode, Ascarophis morronei n. sp. (Cystidicolidae), is described from the stomach wall of the woolly sculpin Clinocottus analis (Cottidae) collected in the rocky intertidal from northwestern Baja California, Mexico. Collected nematodes were studied using both light and scanning electron microscopy. Sequence fragments for 18S rDN...
Adults of trematodes in the genus Xystretrum Linton, 1910 (Gorgoderidae, Gorgoderinae) are parasites found exclusively in the urinary bladders of tetraodontiform fishes. However, limited and unclear morphological data were used to describe the type species, X. solidum Linton, 1910. Here, we present the first detailed morphological information for a...
Information regarding trichodinid ectoparasites on marine fishes of North America is relatively scarce. In this study, 5 ciliate species from the family Trichodinidae were found associated with 8 fish hosts from the rocky intertidal zone of the western coast of the Baja California Peninsula (BCP), Mexico. All of the host-parasite relationships reco...
Tilapia is the common name for a wide spectrum of cichlid fishes usually selected for aquaculture activities. However, some aspects of the natural history of these fishes, such as the diversity of certain ectoparasitic protistan groups remain understudied. In order to understand the diversity of ciliates of the family Trichodinidae parasitizing til...
The present work includes the description of Gyrinicola pilyolcatzin n. sp. (Nematoda: Oxyurida) collected from the large intestine of tadpoles of the Montezuma frog, Rana montezumae. Nuclear DNA and mitochondrial DNA generated via a combination of Sanger and Next Generation shotgun sequencing were used to reconstruct the species in a phylogenetic...
Prevalence values for 3 digenean species of the family Opecoelidae were calculated during a half-year period from 20 individuals per month of the fish species Clinocottus analis, collected from an intertidal environment of Baja California, Mexico. Trematode species recovered were Opecoelus adsphaericus, Opecoelus cameroni, and Opecoelus pacificus....
During a search for parasites in fishes from Iguazu River, Argentina, a nymph of pentastomid was found encysted on mesenteries of Phalloceros harpagos. The 28S rDNA and COI mt-DNA were used to compare with the sequences deposited in the GenBank. Pentastomid nymphs belong to the subfamily Diesingiinae (Sebekidae) for having chloride cell pores distr...
Ciliates are extremely versatile single-celled eukaryotes displaying an enormous functional diversity as key elements of food webs. In this study, we found the ciliates in an artisanal backyard Nile tilapia Oreochromis niloticus farm in Oaxaca, Mexico, to describe the diversity and species distribution. Twenty nominal taxa were recorded inhabiting...
Nematodes are among the most common parasites in aquatic mammals. Because of their cuticular covering, these worms are frequently collected from the examination of feces or stranded hosts. This work provides new records of three nematode taxa infecting three different aquatic mammal species (Lontra longicaudis annectens, Trichechus manatus, and Zal...
Trichodina centrostrigeata Basson, Van As et Paperna, 1983 from Oreochromis mossambicus (Peters) and O. niloticus (Linnaeus) from different host populations from Argentina, Mexico and South Africa was reviewed. Although T. centrostrigeata has a distinct denticle structure that makes morphological taxonomic inferences uncomplicated, variation of the...
Los parásitos son parte importante de la biodiversidad. El término parásito refiere a múltiples organismos con diferentes orígenes filogenéticos. En este escrito se aborda el concepto de parásito desde un punto de vista biológico, y se comentan aquellas especies conocidas como hiperparásitos por ser parásitas de parásitos, haciendo énfasis en los e...
Los protozoos ciliados de la familia Trichodinidae son ectosimbiontes asociados a peces y otros animales acuáticos (anfibios, cnidarios, moluscos, crustáceos y otros artrópodos acuáticos) en todos los ambientes marinos y dulceacuícolas del mundo, con excepción de la Antártida. Forman un grupo diverso que, sin embargo, es relativamente desconocido a...
Three parasite taxa, Trichodina hypsilepis, T. koloti and Parapharyngodon sp., were collected from a sample of tadpoles of the species Lithobates montezumae from the Pedregal de San Ángel Ecological Reserve, belonging to the National Autonomous University of Mexico. These taxa are new records for the host species and their presence is documented fo...
Five species of sipunculan worms belonging to two families and three genera were identified from the western coast of Baja California Peninsula and collected in Guerrero Negro lagoon. This lagoon system, located in western Baja California Peninsula, exhibits characteristics of marine connectivity, temperature, sediment transport and precipitation t...
Freshwater fishes are usually infected with a wide array of parasites. In particular, the helminth parasite fauna of these hosts consists of larval forms and/or adults of species included in three major phyla: Platyhelminthes (trematodes, cestodes, and monogeneans), Nematoda, and Acanthocephala. Among vertebrates, helminth parasite communities in f...
The genus Rhabdochona includes more than 100 species infecting freshwater fishes in all zoogeographical regions of the world. In Mexico, 12 nominal species of Rhabdochona have been recorded. Of these, Rhabdochona ictaluri was originally described as a parasite of endemic catfishes of the family Ictaluridae; however, the species was later considered...
Trichodina rectuncinata is one of the trichodinids most widely distributed in marine fish. This ciliate species has been recorded
in more than 20 host species belonging to 17 fish families worldwide. Previous comparative studies based on morphometric data revealed
considerable morphological variation among specimens from different populations of T....
Three monogenean taxa (Hargicola oligoplites, Mazocraes sp., and Neohexostoma euthynni) are recorded for marine fishes from the Gulf of Nicoya, Costa Rica. Two of them (Mazocraes sp. and N. euthynni) represent new records for the helminth fauna of Costa Rica.
The Asian fish tapeworm, Schyzocotyle acheilognathi (syn. Bothriocephalus acheilognathi) represents a threat to freshwater fish, mainly cyprinids, across the globe. This tapeworm possesses an extraordinary ability to adapt to different environmental conditions and, because of that, from its natural geographical origin in mainland Asia, it has colon...
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https://tienda.fciencias.unam.mx/es/home/260-vertebrados-manual-de-captura-manipulacion-y-estudio.html
$ 50.00MXN
Vertebrados. Manual de captura, manipulación y estudio
Rogelio Aguilar y Gerardo Rivas (Coordinadores).
Primera edición
Este manual cuenta con diez prácticas relativas a vertebrados terrestres, seis...
The endohelminth community of the Mayrán carp, Gila conspersa, collected in the Aguanaval river basin, Central Mexico, was described at the infracommunity and component community levels. Helminth fauna consisted of the species Bothriocephalus acheilognathi, Rhabdochona canadensis, and a Spiroxys species. Among them, the introduced tapeworm species...
A total of 22 specimens of the red-spotted toad collected from San José Brook, Baja California Sur, Mexico were examined for helminth parasites. The only parasite species recovered was the adult cestode Distoichometra bufonis, which was found parasitizing the intestine with a prevalence of 27% and mean abundance of 0.59. This report represents the...
No data about trichodinid species parasitizing marine fishes have been published in Mexico. Here, we provide the first records of Trichodina rectuncinata (Figs. 1, 2, 3, and 4) on the gills of the blackstripe clingfish Tomicodon myersi (Gobiesocidae) from Ixtapa-Zihuatanejo in the Mexican Central Pacific (17°39’N, 101°36’W), and on the network trip...
A database with all available published accounts of the ciliate parasite species of Mexican fishes was assembled. This information, along with records derived from own recent research, allow generating a checklist containing all the records, which is a necessary first step to address future questions in the areas of ecology, evolutionary biology an...
The helminth fauna of the bolson pupfish Cyprinodon atrorus (Osteichthyes: Cyprinodontidae) consisted of 7 helminth taxa collected from 7 localities of Cuatro Ciénegas, a natural area protected by the Mexican government in Coahuila, northern Mexico. The helminth community is described at the infracommunity and component community levels. The acanth...
From August 2008 to July 2010, 1,471 fish belonging to the subfamily Goodeinae (representing 28 species) were collected from 47 localities across central Mexico and analyzed for helminth parasites. In addition, a database with all available published accounts of the helminth parasite fauna of goodeines was assembled. Based on both sources of inform...
Ciliates of the genus Trichodina Ehrenberg, 1831 are epibionts and often ectoparasites on animals including fish, where they are pathogenic, causing damage to skin and gills (Sleigh, 1991), often leading to death of the infested fish (Hoffman, 1999). Its proliferation might be promoted by changes in the relationship among host, parasite, and enviro...
As part of an ongoing inventory of the helminth parasites of freshwater fishes in Mexico, 570 individual fish were collected between Apr 2008 and Oct 2011 in 26 localities along the Cuatro Ciénegas region in Coahuila State, northern Mexico. Seventeen species of hosts, mostly corresponding to Nearctic freshwater elements, were studied. A total of 83...
Los ciliados conforman un grupo de aproximadamente 8 000 especies. En la actualidad el número de especies registradas en México asciende a 959 que corresponde a un 12% del total de especies descritas a nivel mundial. Se analiza el aspecto histórico de los estudios de ciliados, bajo las perspectivas taxonómica y ecológica. Se presentan datos de algu...
In order to contribute to the knowledge on helminth parasites of freshwater fishes in Mexico, the helminth fauna of the Alchichica silverside Poblana alchichica was studied. Four species of helminths, including 2 species of digeneans (Posthodiplostomum minimum and Tylodelphys sp.), 1 species of cestode (Ligula intestinalis) and 1 species of nematod...
A total of 11 parasitic endohelminth taxa were found in 7 freshwater fish species of the subfamily Goodeinae in Zacapu Lake, Michoacan, Mexico. Six were adults (Margotrema cf. bravoae, Phyllodistomum sp., Saccocoelioides sogandaresi, Rhabdochona lichtenfelsi, Bothriocephalus acheilognathi and Caryophillidae gen. sp.), while the remaining 5 taxa (Cl...
A total of 11 parasitic endohelminth taxa were found in 7 freshwater fish species of the subfamily Goodeinae in Zacapu Lake, Michoacan, Mexico. Six were adults (Margotrema cf. bravoae, Phyllodistomum sp., Saccocoelioides sogandaresi, Rhabdochona lichtenfelsi, Bothriocephalus acheilognathi and Caryophillidae gen. sp.), while the remaining 5 taxa (Cl...
Records of species of the peritrich ciliate genus Lagenophrys, obligate epibionts of crustaceans, were analysed using panbiogeographical track analysis to detect its worldwide distribution patterns. Track analysis of 28 species of this genus found five generalized tracks: (1) Euroamerican; (2) American; (3) Caribbean; (4) Tasmanian; and (5) South A...
In order to establish the helminthological record of the viviparous fish species Zoogoneticus purhepechus, 72 individuals were collected from 2 localities, La Luz spring (n= 45) and Los Negritos spring (n= 27), both in the lower Lerma River, in Michoacán state, Mexico. Twelve helminth taxa were recovered, 5 adults (the digeneans Margotrema bravoae...
In order to establish the helminthological record of the viviparous fish species Zoogoneticus purhepechus, 72 individuals were collected from 2 localities, La Luz spring (n = 45) and Los Negritos spring (n = 27), both in the lower Lerma River, in Michoacán state, Mexico. Twelve helminth taxa were recovered, 5 adults (the digeneans Margotrema bravoa...
The helminth parasite fauna of 2 species of freshwater fishes from the upper Piaxtla River in northwestern Mexico was studied.
A total of 41 cyprinids, corresponding to 20 Campostoma ornatum and 21 Codoma ornata were analyzed. Six species of platyhelminths were recorded, including 2 species of monogeneans (Gyrodactylus sp. and Dactylogyrus sp.), 3...
A new species of Rhabdochona is described as a parasite of two endemic species of catfishes (Ictalurus dugesii and Ictalurus pricei) from two river basins in central and northern Mexico (Río Ameca and Río Tunal). Rhabdochona ictaluri sp. nov. is characterized by a combination of morphological traits that include the presence of basal teeth, bifurca...
One short-snouted spinner dolphin Stenella clymene individual stranded on the coast of Quintana Roo, Mexico, was examined for stomach and lung nematodes. During necropsy, a
large number of nematodes of the species Skrjabinalius guevarai were found in the airways. Additionally, some larval Anisakis sp. were found in the stomach. Both nematode specie...
This paper represents the first study of the helminth parasites of freshwater fishes from the Nazas River basinin northern Mexico. Between July 2005 and December 2008, 906 individual fish were collected and examined for helminthparasites in 23 localities along the river basin. Twenty-three species of fish were examined as a part of this inventory w...
In order to contribute to the knowledge on helminth parasites of freshwater fishes in Mexico, the helminth faunaof the cyprinid fish Notropis moralesi was studied. The helminth species Bothriocephalus acheilognathi and Rhabdochonacanadensis were recovered from 20 examined hosts. Values of prevalence, abundance and mean intensity of each infectionar...
Six helminth species were recorded during the helminthological examination of 35 specimens of the goodeid Xenotaenia resolanae from Arroyo Durazno, Jalisco, Mexico, a tributary of the Cuzalapa River. Helminth species identified included: 4 species of digeneans, i.e., Posthodiplostomum minimum (metacercariae), Clinostomum companatum (metacercariae),...
As a part of an ongoing inventory of the helminth parasites of freshwater fishes in Mexico, 676 specimens were collected between November 2007 and December 2008 in 23 localities along the upper Mezquital River Basin in Durango State, northern Mexico. Sixteen species of hosts, mostly corresponding to Nearctic freshwater elements, were studied. A tot...
We describe herein the first occurrence of the monogenean Urocleidoides vaginoclaustrum in the wild. This monogenean was originally described from an aquarium neotropical fish examined in India. Worms were collected from the gills of Xiphophorus hellerii, a species native to tropical Mexico but introduced to the Los Berros Spring in the State of Du...
Distribution records of 152 adult helminth taxa parasites of freshwater fishes in Mexico were analysed to determine areas of high richness and endemism. Distribution maps were prepared for each taxon and overlaid onto a map of Mexico divided into 1 × 1 degree grid-cells. Richness was determined by counting recorded helminth species in each grid-cel...
A total of 21 pupfish Cyprindon meeki was collected from the spring Abraham González, Durango, Mexico. Seven helminth taxa were recovered: Salsuginus angularis, Posthodiplostomum minimum, Clinostomum complanatum, Bothriocephalus acheilognathi, Cyclustera cf. ralli, Atactorhynchus duranguensis and Spiroxys sp. Among them, B. acheilognathi and A. dur...
Examinamos Characodon audax (n = 30) y C. lateralis (n = 27) (Pisces: Goodeidae), especies de peces dulceacuícolas endémicas de Durango, México. Registramos 8 especies de helmintos, y la metacercaria de Posthodiplostomum minimum fue la especie dominante y alcanzó las mayores intensidades de infección. Especies especialistas incluyeron Salsuginus sp...
Aplicación del análisis de parsimonia de endemismos (PAE) en los sistemas hidrológicos de México: Un ejemplo con helmintos parásitos de peces dulceacuícolas La investigación actual sobre los helmintos parásitos de peces dulceacuícolas en las distintas cuencas hidrológicas de México ha permitido incrementar, en gran medida, el conocimiento que se ti...
A diversity analysis of helminth parasites of freshwater fishes in different geographic units from two of the most important Mexican hydrological basins, Río Lerma and Rio Papaloapan, was undertaken in order to establish the rate of change in species diversity among these geographic units, and to detect the contribution of each region to the hypoth...
Se analizó la diversidad de helmintos parásitos de peces dulceacuícolas en distintas unidades geográficas dentro de dos de las cuencas hidrológicas más importantes de México, río Lerma y río Papaloapan, con la finalidad de establecer la tasa de recambio entre unidades y determinar cómo contribuye la diversidad de cada región a la hipótesis del Méxi...
A checklist based on previously published records and original data is presented for the helminth parasites reported in 35 fish species from nine families from the Rio Papaloapan basin, east Mexico. The checklist contains 85 taxa from 39 helminth families. Trematodes and nematodes were the most abundant taxonomic groups. The helminth fauna in the f...
Atactorhynchus duranguensis n. sp. (Acanthocephala: Atactorhynchinae) is described from the intestine of Cyprinodon meeki Miller, an endemic freshwater fish from a far-inland locality of Mexico. Diagnostic features include: body small, stout, ventrally curved; small cylindrical proboscis armed with 16 alternating vertical rows of four or five hooks...
A total of 6 helminth species were recorded during helminthological examination of 50 Chapalichthys encaustus from Lake Chapala, Jalisco, Mexico. Helminth species identified included: Salsuginus sp. (an undescribed monogenea); Posthodiplostomum minimum (metacercariae); Cyclustera ralli (metacestode); Polymorphus brevis (cystacanth); Contracaecum sp...
A total of 8 helminth species were recorded in an examination of 43 tropical gar, Atractosteus tropicus Gill, collected at the Pantanos de Centla Biosphere Reserve, Tabasco, Mexico. The parasite species included 1 adult trematode, 3 metacercariae, 1 cestode, 1 adult nematode, and 2 nematode larvae. Six of these 8 species were rare, with low prevale...
This study presents results from the first survey of the helminth parasites of fishes in the Ayuquila River, Sierra de Manantlán Biosphere Reserve, in the states of Jalisco and Colima, west central Mexico. Twenty-eight helminth species were collected from 14 freshwater fish species in July 2000 and February 2001. No helminth species collected is ex...
Aim The distributional patterns of helminthological fauna of freshwater fishes were analysed to postulate a general hypothesis on the relationships of some Mexican hydrological systems.
Location Eight hydrological systems of central and eastern Mexico were studied and compared with records from Nicaragua.
Methods A Parsimony Analysis of Endemicity...
Rhabdochona guerreroensis n. sp. is described on the basis of specimens recovered from the intestine of Sicydium multipunctatum (Regan) (Gobiidae, Perciformes) from 2 localities in Mexico. This species is characterized by 12 teeth in the prostom (occasionally 11), asymmetrical numbers of postanal papillae, a broad distal tip of the larger (left) sp...
A detailed examination (including scanning electron microscopy) of newly collected nematode specimens (subgravid females) referable to Philometroides caudatus Moravec, Scholz and Vivas-Rodríguez, 1995, from the swimbladder of the pimelodid catfish, Rhamdia guatemalensis, in the Papaloapan River in Tlacotalpan, State of Veracruz, Mexico, as well as...
Rhabdochona guerreroensis n. sp. is described on the basis of specimens recovered from the intestine of Sicydium multipunctatum (Regan) (Gobiidae, Perciformes) from 2 localities in Mexico. This species is characterized by 12 teeth in the prostom (occasionally 1), asymmetrical numbers of postanal papillae, a broad distal tip of the larger (left) spi...
A detailed examination (including scanning electron microscopy) of newly collected nematode specimens (subgravid females) referable to Philometroides caudatus Moravec, Scholz and Vivas-Rodríguez, 1995, from the swimbladder of the pimelodid catfish, Rhamdia guatemalensis, in the Papaloapan River in Tlacotalpan, State of Veracruz, Mexico, as well as...
Two new nematodes, Paraseuratoides ophisterni gen. et sp. n. (Seuratoidea: Quimperiidae) and Philometra ophisterni sp. n. (Dracunculoidea: Philometridae) are described based on specimens recovered from the intestine and mesentery, respectively, of the swamp-eel Ophisternon aenigmaticum Rosen et Greenwood (Synbranchiformes: Synbranchidae) from a can...
Presencia de nemátodos del género Anisakis en una orca pigmea Feresa attenuata (Cetacea: Delphinidae) varada en costas de Veracruz, México La orca pigmea Feresa attenuata se distribuye en aguas tropicales y subtropicales del mundo entre 40° N y 35° S (Jefferson, Leatherwood & Webber 1993. Marine mammlas of the world, FAO. Rome. pp 128-129). Este ce...
A checklist based on previously published records and original data is presented for the helminth parasites reported from 33 freshwater fish species from the Lerma-Santiago river basin, west-central Mexico. The checklist contains 43 helminth species, 6 (14%) of which are endemic to the basin. Fourteen of the 43 are allogenic species, mostly Nearcti...
Thirty-one spinner dolphins Stenella Iongirostris stranded in La Paz Bay, Baja California Sur, Mexico, were examined for endoparasitic helminths. The following species were identified: Zalophotrema pacificum and Hadwenius tursionis (Digenea); Strobilocephalus triangularis, Trigonocotyle sp., and Tetra phyllidea gen. sp. larva (Cestoda); immature Bo...
A recent new collection of intestinal capillariids from the atherinid fish Chirostoma estor Jordan, a type host of Capillaria patzcuarensis Osorio-Sarabia, Pérez-Ponce de León et Salgado-Maldonado, 1986, from Lake Pátzcuaro in Michoacán, Mexico (type locality) made it possible to study in detail the morphology of this insufficiently known nematode...
LA DISTRIBUCIÓN DE LOS MAMÍFEROS MARINOS DE MÉXICO: UN ENFOQUE PANBIOGEOGRÁFICO L os mamíferos son uno de los grupos de animales más exitosos evolutivamente hablando, razón por la cual en la actualidad se encuen-tran ampliamente distribuidos y ocupan prácticamente la totalidad de los biomas de la Tierra. El medio acuático no ha sido una excepción y...
A new cucullanid nematode, Cucullanus mexicanus sp. n., is described from specimens recovered from the intestine of the freshwater catfish Rhamdia guatemalensis (Günther) (Pisces, Pimelodidae) from three localities (brooks El Saltillo, Valle Nacional and San Juan Bautista) in the State of Oaxaca, central Mexico. The new species, belonging to the su...
