Morphometric Response of Galaxias maculatus (Jenyns) to Lake Colonization in Chile [PDF]
Diversity, 2020 Body and head shape in fish responds to environmental factors such as water flow rate, food sources, and niche availability. However, the way in which fish respond to these environmental factors varies.
Margaret Mercer +4 more
doaj +3 more sources
Phylogeography in Galaxias maculatus (Jenyns, 1848) along Two Biogeographical Provinces in the Chilean Coast. [PDF]
PLoS ONE, 2015 Major geologic and climatic changes during the Quaternary exerted a major role in shaping past and contemporary distribution of genetic diversity and structure of aquatic organisms in southern South America.
Claudio A González-Wevar +7 more
doaj +8 more sources
Infections by Helminth Parasites in "Puyenes", Galaxias maculatus (Galaxiidae, Salmoniformes), from Southern Argentina with special reference to Tylodelphys barilochensis (Digenea, Platyhelminthes) [PDF]
Memorias do Instituto Oswaldo Cruz, 1999 The occurrence of Tylodelphys barilochensis, Acanthostomoides apophalliformis, Contracaecum sp. and Camallanus corderoi infecting Galaxias maculatus ("puyenes") was quantified for the first time in Lake Nahuel Huapi, southern Argentina. T.
J Revenga, P Scheinert
doaj +2 more sources
Teaching fish new tricks: Repeated exposure to a velocity barrier improves passage performance. [PDF]
PLoS ONEInstream structures like culverts and dams can impede upstream fish migration, acting as environmental filters that only allow onward migration of individuals that can successfully pass them.
Rachel Mb Crawford +4 more
doaj +2 more sources
Otolith microchemistry and diadromy in Patagonian river fishes [PDF]
PeerJ, 2019 Coastal habitats in Chile are hypothesized to support a number of diadromous fish species. The objective of this study was to document migratory life histories of native galaxiids and introduced salmonids from a wide latitudinal range in Chilean ...
Dominique Alò +4 more
doaj +3 more sources
Constraints upon the response of fish and crayfish to environmental flow releases in a regulated headwater stream network. [PDF]
PLoS ONE, 2014 In dry climate zones, headwater streams are often regulated for water extraction causing intermittency in perennial streams and prolonged drying in intermittent streams.
Edwin T Chester +6 more
doaj +2 more sources
Efecto de la temperatura en la sobrevivencia embrionaria del puye Galaxias maculatus (Jenyns, 1842)
Latin American Journal of Aquatic Research, 2013 Se evaluó el efecto de seis temperaturas constantes en la sobrevivencia embrionaria, periodo embrionario y periodo de eclosión de Galaxias maculatus de 7 a 22°C, en condiciones de laboratorio. Los resultados de la sobrevivencia embrionaria fueron: 90,6 ±
Juan Bariles +3 more
doaj +2 more sources
Revista Chilena de Historia Natural, 2020 Galaxias maculatus is an abundant freshwater fish species in Chilean continental waters where it plays important ecological functions, yet few parasitological records of this species exist in Chile and all of them cover a very limited geographic range ...
Mario George-Nascimento +2 more
doaj +1 more source
Brazilian 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
Ecología Austral, 2015 La variación espacial de las comunidades de helmintos en un sistema acuático puede atribuirse a diferentes factores bióticos y abióticos. En América del Sur, este tipo de estudios no ha sido realizado en ambientes de agua dulce.
María Fernández +2 more
doaj +1 more source