Results 21 to 30 of about 80 (71)

Los cromosomas mitóticos y meióticos del pez tropical Petenia splendida (Cichlidae)

open access: yesRevista de Biología Tropical, 2006
Para describir los cromosomas del cariotipo en mitosis y meiosis de la mojarra tenguayaca P. splendida, se procesaron 60 larvas y doce jóvenes (seis hembras y seis machos) procedentes de Tabasco, México. Se emplearon los procedimientos citológicos clásicos para peces pequeños y grandes, con algunas modificaciones que permitieron obtener campos ...
Arias Rodríguez, Lenin   +2 more
openaire   +6 more sources

Masculinization of the Native Bay Snook, Petenia splendida, Using Oral Administration of the Synthetic Steroid 17α‐methyltestosterone

open access: yesJournal of the World Aquaculture Society, 2017
AbstractThe possibility of inducing sex reversal in bay snook, Petenia splendida, was evaluated to generate a protocol aimed at producing single‐sex populations (100% males) and improving farming conditions for this species. This popular staple food is a cichlid fish native to Central America, with aquaculture potential.
María de J. Contreras‐García   +3 more
openaire   +1 more source

Evaluation of Larval Growth and Survival in Mexican Mojarra, Cichlasoma urophthalmus, and Bay Snook, Petenia splendida, Under Different Initial Stocking Densities

open access: yesJournal of the World Aquaculture Society, 2009
Abstract Two experiments were conducted to evaluate the initial stocking density in larvae of Bay snook, Petenia splendida, and Mexican mojarra, Cichlasoma urophthalmus, using a recirculation system. Five initial stocking densities (0.5, 1, 5, 10, and 20 larvae/L) were evaluated by triplicate for 45 d.
Luis Daniel Jiménez‐Martínez   +5 more
openaire   +1 more source

Petenia splendida

open access: yes, 2007
Petenia splendida: UMMZ 144128 (1), Guatemala, Petén, Ek Kixil; UMMZ 189987 (2 skel.), Guatemala, Quiché, Arroyo Cancaná, ca. 1 km above mouth into Río Chixoy; UMMZ 196461 (1 skel.), Mexico, Campeche, Río Candelaria; UMMZ 196476 (22, 5 dig.), UMMZ 196665 (2 skel., 5 dig.), Mexico, Quintana Roo, Laguna Caobas; UMMZ 223251 (1, 1 C&S), Mexico, Campeche ...
openaire   +2 more sources

Hábitos alimentarios de las mojarras (Perciformes: Cichlidae) de la laguna Caobas, Quintana Roo, México

open access: yesRevista de Biología Tropical, 2000
Se estudió la alimentación de siete especies de cíclidos (Archocentrus octofasciatus, A. spilurus, "Cichlasoma" robertsoni , "C." synspilum, "C." urophthalmus , Petenia splendida, Thorichthys meeki) en la laguna Caobas, sur de la península de Yucatán ...
María Teresa Valtierra-Vega   +1 more
doaj  

[The mitotic and meiotic chromosomes of the tropical fish Petenia splendida (Cichlidae)].

open access: yesRevista de biologia tropical, 2009
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.
Lenin, Arias-Rodriguez   +1 more
openaire   +1 more source

Ictiofauna de los humedales del río San Pedro, Balancán, Tabasco, México

open access: yesRevista de Biología Tropical, 2011
Los humedales de San Pedro sostienen redes tróficas del sistema fluvial debido a la alta disponibilidad de hábitats y a sus variaciones espacio-temporales.
Alfonso Castillo-Domínguez   +4 more
doaj   +2 more sources

Gnathostoma binucleatum (Spirurida: Gnathostomatidae) en peces dulceacuícolas de Tabasco, México

open access: yesRevista de Biología Tropical, 2004
La gnatostomiasis humana se adquiere al ingerir pescado de agua dulce crudo o insuficientemente cocido, infectado con larvas de tercer estadio avanzado (L3A) de nemátodos del género Gnathostoma.
Teiji Kifune   +4 more
doaj  

Los cromosomas mitóticos y meióticos del pez tropical Petenia splendida (Cichlidae)

open access: yesRevista de Biología Tropical, 2008
Para describir los cromosomas del cariotipo en mitosis y meiosis de la mojarra tenguayaca P. splendida, se procesaron 60 larvas y doce jóvenes (seis hembras y seis machos) procedentes de Tabasco, México.
Lenin Arias-Rodriguez   +2 more
doaj  

[Systematic of the fish Petenia splendida (Perciformes: Cichlidae) of Lake Petén Itzá, Guatemala].

open access: yesRevista de biologia tropical, 2011
The Lake Petén Itzá is located in the multiple use zone of the Maya Biosphere Reserve. It belongs to the subtropical moist forest (warm) life zone, and has very important flora and fauna diversities. Among the fish species, the white fish (Petenia splendida) is of high commercial value.
Anaitté, Méndez   +2 more
openaire   +1 more source

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