Results 51 to 60 of about 464 (129)

New records of nine monogenean parasites infesting non‐native freshwater fish species in New Zealand

open access: yesNew Zealand Journal of Marine and Freshwater Research, Volume 59, Issue 5, Page 1052-1068, December 2025.
ABSTRACT Twenty‐one non‐native freshwater fish species have established populations in New Zealand, yet only two have been reported with monogenean infestations; grass carp, Ctenopharyngodon idella (Valenciennes in Cuvier and Valenciennes, 1844) and western mosquitofish, Gambusia affinis (Baird and Girard, 1853), each with two identified monogenean ...
Ethan D. Renner, Ian C. Duggan
wiley   +1 more source

Issue Information

open access: yes
Diversity and Distributions, Volume 32, Issue 1, January 2026.
wiley   +3 more sources

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

Insights Into Hereditary Alpha‐Tryptasemia From a Genome‐Wide Association Study in Hymenoptera Venom Anaphylaxis

open access: yes
Clinical &Experimental Allergy, Volume 56, Issue 4, Page 455-458, April 2026.
Teresa Blanco‐Ramos   +6 more
wiley   +1 more source

Phenotypically Induced Intraspecific Variation in the Morphological Development of Wetland and Stream Galaxias gollumoides McDowall and Chadderton

open access: yesDiversity, 2020
The hypothesis that contrasting hydrology induces divergent intraspecific phenotypic plastic responses in non-migratory freshwater fish was investigated. Morphologies of wetland and stream Galaxias gollumoides from South Island, New Zealand, at different
Nicholas R. Dunn   +2 more
doaj   +1 more source

La Evolución de la Forma y Estructura de las Galaxias: ¿Cómo eran hace 6 mil millones de años?

open access: yesPrisma Tecnológico, 2010
Las galaxias son objetos complejos que contienen algunas decenas de billones de estrellas y puede ser clasificadas por su forma y estructura siguiendo al secuencia de Hubble.
Rodney Delgado
doaj  

Buracos Negros: sementes ou cemitérios de galáxias?

open access: yesCaderno Brasileiro de Ensino de Física, 2010
É apresentada uma breve história da ideia de buraco negro, desde a formulação da Teoria da Relatividade Geral até observações recentes. Durante o século XX, a ideia passou de mera especulação teórica até exercer um papel central para explicar os objetos
João E. Steiner
doaj   +1 more source

Historical Impacts of Invasive Species May Not Always Be What They Seem: A Genetic Perspective From an Endangered Native Species

open access: yesDiversity and Distributions, Volume 31, Issue 11, November 2025.
ABSTRACT Aim Invasive species can affect native species detrimentally, causing localised population declines, range contractions and extinctions. Given the costs and difficulties of controlling invasive species, sound knowledge of the potential benefits to native species is essential.
Charlotte Jense   +3 more
wiley   +1 more source

A matéria escura no universo - uma sequência didática para o ensino médio

open access: yesRevista Brasileira de Ensino de Física
Nós apresentamos uma proposta pedagógica para introduzir o tema da matéria escura no universo para alunos do ensino médio. O apelo intrínseco deste tema é usado para discutir aplicações de movimento de sistemas planetários e estrelas em galáxias e as ...
Thiago de C. Gusmão   +2 more
doaj   +1 more source

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