Results 61 to 70 of about 376 (162)

Mitochondrial genomes of two diplectanids (Platyhelminthes: Monogenea) expose paraphyly of the order Dactylogyridea and extensive tRNA gene rearrangements

open access: yesParasites & Vectors, 2018
Background Recent mitochondrial phylogenomics studies have reported a sister-group relationship of the orders Capsalidea and Dactylogyridea, which is inconsistent with previous morphology- and molecular-based phylogenies.
Dong Zhang   +8 more
doaj   +1 more source

Evolutionary morphology in shape and size of haptoral anchors in 14 Ligophorus spp. (Monogenea: Dactylogyridae)

open access: yesPLOS ONE, 2017
The search for phylogenetic signal in morphological traits using geometric morphometrics represents a powerful approach to estimate the relative weights of convergence and shared evolutionary history in shaping organismal form. We assessed phylogenetic signal in the form of ventral and dorsal haptoral anchors of 14 species of Ligophorus occurring on ...
Rodríguez González, Abril   +2 more
openaire   +5 more sources

Parásitos de alevinos de gamitana (Colossoma macropomum) y paco (Piaractus brachypomus) cultivados en el C.I. Quistococha, Loreto, Perú

open access: yesCiencia Amazónica (Iquitos), 2015
En acuicultura, los peces son susceptibles al ataque de virus, bacterias, hongos y ectoparásitos. Estos organismos se tornan en un serio problema cuando los peces se encuentran con bajas defensas naturales, se crían en altas densidades y/o se altera ...
Fernando Alcántara Bocanegra   +5 more
doaj   +1 more source

Alternative treatment for Anacanthorus penilabiatus (Monogenea: Dactylogyridae) infection in cultivated pacu, Piaractus mesopotamicus (Osteichthyes: Characidae) in Brazil and its haematological effects

open access: yesParasite, 2002
The present work, studied the effect of 0, 1,000, 1,500 and 2,000 mg of garlic powder/kg dry ration for Piaractus mesopotamicus (Osteichthyes: Characidae), weighting 73.6 ± 39.4 g and measuring 15.0 ± 2.7 cm, fed for a period of 15, 30 and 45 days ...
Martins M.L.   +6 more
doaj   +1 more source

Especie nueva de Haliotrema Johnston y Tiegs, 1922 (Monogenea: Dactylogyridae) de las branquias de Lactophrys polygonia (Pisces: Ostracidae) de la Bahía de Mochima, Venezuela New species of Haliotrema Johnston et Tiegs, 1922 (Monogenea: Dactylogyridae) of the gills of Lactophrys polygonia (Pisces: Ostracidae) of Mochima Bay, Venezuela

open access: yesRevista Mexicana de Biodiversidad, 2005
Se describe una especie nueva de Haliotrema (Monogenea: Dactylogyridae) de las branquias del torito Lactophrys polygonia (Ostracidae), capturados en la Bahía de Mochima, al noreste de la costas de Venezuela.
Yelitza M. Mago Guevara   +2 more
doaj  

A new species of Diaphorocleidus (Monogenea: Ancyrocephalinae) from the gills of Argonectes robertsi (Characiformes) and new records of dactylogyrids parasitic on fishes from the Xingu River, Amazon Basin, Brazil

open access: yesZoologia (Curitiba)
Diaphorocleidus altamirensis sp. nov., parasitic on the gills of Argonectes robertsi Langeani, 1999 from the Xingu River, northern Brazil, is described. The new species differs from its six congeners by the morphology of the male copulatory organ (which ...
Juliana Moreira   +2 more
doaj   +1 more source

Parásitos de peces de algunos ríos de la Costa Atlántica

open access: yesWani, 2014
El presente estudio comprende un registro sistemático de especies de monogéneos (Dactylogyridae, Ancyrocephalinae) colectados de las branquias de peces de las familias Pimelodidae, Poeciliidae, Cichlidae y Characidae, en algunos de los ríos de la Costa ...
Edgard Mendoza - Franco   +2 more
doaj  

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