Publications

campechetrema herrerai n. gen., n. sp. (trematoda: cryptogonimidae) from the intestine of petenia splendida (pisces: cichlidae) from campeche, mexico.	campechetrema herrerai n. gen, n. sp. is described from the cichlid fish petenia splendida from ei vapor lagoon, an oligohaline lagoon, campeche, méxico. it is distinguished from other genera of cryptogoniminae by the presence of a single gonotyl, a preequatorial acetabulum, few vitelline follicles, and lack of pars prostatica and prepharynx.	1997	9057710
[feeding habits of cichlid species (perciformes: cichlidae) in caobas lake, quintana roo, mexico].	feeding habits of seven cichlid species (archocentrus octofasciatus, a. spilurus, "cichlasoma" robertsoni, "c." synspilum, "c." urophthalmus, petenia splendida, thorichthys meeki) in lake caobas, southern yucatan peninsula, were studied. samples were taken with enclosure and cast nets during the dry and rainy seasons of 1995 (day and night). the environment was characterized by measuring temperature, conductivity and ph. all individuals were below 41 mm sl (n = 281). frequency of occurrence and ...	2000	11354957
evaluating the use of ram and suction during prey capture by cichlid fishes.	we characterized prey-capture strategies in seven species of cichlid fishes representing diverse trophic habits and anticipated feeding abilities. the species examined were petenia splendida, cichla ocellaris, cichlasoma minckleyi, astronotus ocellatus, crenicichla geayi, heros severus (formerly cichlasoma severum) and cyprichromis leptosoma. three individuals per species were filmed with video at 500 hz as they captured live adult artemia sp. and poecilia reticulata. for each feeding sequence, ...	2001	11551992
[gnathostoma binucleatum (spirurida: gnathostomatidae) from the freshwater fish in tabasco, mexico].	human gnathostomiasis is a food-born parasitic disease of relative importance in many countries in southeast asia. it is caused by several species of nematodes of the genus gnathostoma. in mexico is an emerging public health problem since 1970, when first cases were reported. until today, larval morphometric characters that have been proposed to differentiate between the three species of gnathostoma present in this country, are not satisfactory. recently, the presence of advanced third-stage lar ...	2004	17354387
[the mitotic and meiotic chromosomes of the tropical fish petenia splendida (cichlidae)].	the karyotype of bay snook, petenia splendida, is described based on mitotic and meiotic stages of sixty larvae and twelve juveniles from tabasco, mexico. standard cytological procedures with minor modifications were followed to obtain mitotic and meiotic chromosome spreads. one hundred chromosome slides were analyzed and 290 chromosome spreads were counted. high-quality spreads in mitosis and meiosis were used for karyotype analysis. mitotic chromosome spreads showed 76.7% of such cells with 2n ...	2008	19256452
molecular identification of the advanced third-stage larvae (adv l(3)) of gnathostoma lamothei in tabasco, mexico.	advanced third-stage larvae (adv l(3)) of gnathostoma spp. were collected from the muscle tissue of three species of freshwater fish (i.e., gobiomorus dormitor, petenia splendida, and parachromis managuensis) in swamps of centla, tabasco, mexico. nine sequences of the its2 of the ribosomal dna of gnathostoma spp. were compared with sequences obtained from genbank for g. binucleatum, g. lamothei, g. miyazakii, g. spinigerum, and g. turgidum. sequences of the adv l(3) from p. splendida (isla china ...	2010	19874909
[ichthyofauna from wetlands of san pedro, balancán, tabasco, méxico].	san pedro river's wetlands sustain trophic nets in the fluvial system, due to the high habitat availability, and space and temporal variations. in order to describe the relationship between environmental parameters and ichthyofauna, this study evaluated fish assemblages composition, distribution, abundance, density, biomass, richness species, diversity and equitability in the wetlands. sampling considered three different sites and climatic seasons (dry, rainy and cold fronts). the physical and c ...	2011	21721234