Results 41 to 50 of about 242 (137)

Acanthostomoides apophalliformis (Trematoda: Cryptogonimidae) does not cause detectable mortality in Galaxias maculatus (Teleostomi: Galaxiidae)

open access: yesBrazilian Archives of Biology and Technology, 2006
The present study was conducted to determine if parasite induced mortality existed in a "puyen" population in Moreno Lake, southern Argentina. Data on both parasite abundance and degree of aggregation of parasite frequency distribution showed the absence
Jorge E. Revenga   +2 more
doaj   +1 more source

Molecular Characterization of Eustrongylides sp. Infecting Channa punctata in Bangladesh

open access: yesVeterinary Medicine and Science, Volume 12, Issue 3, May 2026.
In this study, a total of 137 medium‐sized Channa punctata (17.5 ± 2.5 cm) were collected from different locations of Jamalpur and Netrokona district, Bangladesh and microscopically identified as belonging to the genus Eustrongylides based on morphological characteristics.
Salman Shahriar Nibir   +10 more
wiley   +1 more source

Polarización de la luz: conceptos básicos y aplicaciones en astrofísica

open access: yesRevista Brasileira de Ensino de Física
Resumo La astrofísica permite entender aplicaciones concretas de la leyes físicas y constituye una herramienta didáctica para la enseñanza de la física.
Jenny Marcela Rodríguez
doaj   +1 more source

Cephalic sensorial pores in galaxiid fishes from Chile (Osmeriformes: Galaxiidae)

open access: yesLatin American Journal of Aquatic Research, 2014
The number and arrangement of the cephalic pores of the lateral line in Chilean fishes of the family Galaxiidae, were studied. The study showed that Brachygalaxias differs from Galaxias, in the absence of mandibular pores and in pore number reductions in
Sylvia Sáez, Germán Pequeño
doaj   +1 more source

Balancing Harvest and Habitat: A Framework for the Sustainable Management of Diadromous Galaxiids

open access: yesNew Zealand Journal of Marine and Freshwater Research, Volume 60, Issue 1, March 2026.
Managing New Zealand's diadromous Galaxias species and the associated whitebait fishery presents a complex challenge due to species‐specific differences in life‐history strategies, habitat requirements, and population dynamics that underpin responses to anthropogenic and environmental pressures.
Ben R. J. Crichton   +4 more
wiley   +1 more source

Pathology associated with larval Eustrongylides sp. (Nematoda: Dioctophymatoidea) infection in Galaxias maculatus (Actinopterygii: Galaxiidae) from Patagonia, Argentina

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2019
Helminth infections within tissues tend to be subjected to a host response that can include encapsulation and melanization to isolate the parasite. The effectiveness of this response depends on the host species. During a survey of parasites of the native
Silvia Guagliardo   +2 more
doaj   +1 more source

Galaxia Aprendizaje UPC

open access: yes, 2023
Los Textos de Arquitectura, Docencia e Innovación dan testimonio de las “Jornadas sobre Innovación Docente en Arquitectura” (JIDA) y vehiculan reflexiones diversas sobre la docencia de la disciplina. Son un marco de debate dirigido tanto a docentes y estudiantes, como a profesionales e interesados en la idiosincrasia de la formación del arquitecto.
openaire   +1 more source

Commentary: Trends and Tensions in Freshwater and Fisheries Management in Central Otago, New Zealand

open access: yesNew Zealand Journal of Marine and Freshwater Research, Volume 60, Issue 1, March 2026.
Recent resource management planning processes and decisions in Central Otago, New Zealand, illustrate changes in policy direction for freshwater management. These processes and decisions also highlight interactions between, and values associated with, indigenous and introduced sports fish.
Harvey C. Perkins, Niall R. N. Watson
wiley   +1 more source

CONTENIDO DE ADN NUCLEAR EN GALAXIAS PLATEI (STEÍNDACUNER, 1898) (TELEOSTEI: OSMERIFORMES: GALAXIIDAE) NUCLEAR DNA CONTENT IN GALAXIAS PLATEI (STEINDACHNER, 1898) (TELEOSTEI: OSMERIFORMES: GALAXIIDAE)

open access: yesGayana, 2008
Galaxias platei, es un pez endémico de Chile y cubre una extensa área geográfica desde la zona centro-sur hasta gran parte de la Patagonia (38°S-54°S), incluyendo también parte de Argentina.
Pedro Jara-Seguel   +2 more
doaj  

Morphological and hematological studies of Trypanosoma spp. infecting ornamental armored catfish from Guamá River-PA, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2013
A total of 281 specimens of freshwater armored ornamental fish species (Leporacanthicus galaxias, Lasiancistrus saetiger, Cochliodon sp., Hypostomus sp., Pseudacanthicus spinosus, Ancistrus sp. and Rineloricaria cf.
Rodrigo Y. Fujimoto   +7 more
doaj   +1 more source

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