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 +1 more source
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
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Spawning, egg development and recruitment of diadromous galaxiids in Taranaki, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Ecology at Massey University [PDF]
Spawning biology of Galaxias postvectis Clarke (shortjaw kokopu) was investigated in streams in northwest Taranaki, New Zealand. Most G. postvectis were found to spawn near their adult habitat on the river bank during spate flows between May 9 and 17 ...
Charteris, Sjaan Clare
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Galaxiids are a family of scaleless and mostly small freshwater fish which are distributed across the temperate latitudes of the southern hemisphere. The largest member of this family is the giant kōkopu (Galaxias argenteus), which has the added distinction of being the first New Zealand freshwater fish of any kind to be scientifically described.
James Braund
wiley +1 more source
Haemoglobin and size dependent constraints on swimbladder inflation in fish larvae [PDF]
In developmental studies of fish species (especially physostomians) it could be demonstrated, that the lack of haemoglobin during larval and juvenile stages is a relatively common phenomenon. Generally it is linked with body translucency.
Beeck, P. +8 more
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Commentary: Trends and Tensions in Freshwater and Fisheries Management in Central Otago, New Zealand
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
Phylogenetics, divergence and morphology of New Zealand Eleotridae (Gobiomorphus Gill) : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Ecology at Massey University, Palmerston North, New Zealand [PDF]
The genus Gobiomorphus Gill (1863) is the only representative freshwater Eleotridae in New Zealand and is comprised of seven species, of which four are diadromous.
Atkinson, Emily
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Nuclear DNA content in the red conger eel Genypterus chilensis (Guichenot, 1881) (Actinopterygii: Ophidiidae) [PDF]
Los estudios sobre contenido de ADN nuclear en el género Genypterus son escasos, y el presente trabajo entrega por primera vez la estimación del contenido de ADN nuclear de Genypterus chilensis con un valor 2C = 1,0 + 0,06 pg, valor cercano al descrito ...
core +1 more source
Fishing‐Induced Regulation of Diadromous Fish Subsidies in Stream Communities
ABSTRACT Seasonal migrations of diadromous fish transport marine‐derived nutrients into freshwater ecosystems, enriching communities and restructuring food‐web dynamics. By diminishing these migrations, fishing pressure could disrupt cross‐ecosystem connectivity, thereby altering predator–prey interactions and community size structure.
Ben R. J. Crichton +3 more
wiley +1 more source
Shortjaw kokopu (Galaxias postvectis Clarke) distribution, habitat selection and seasonal activity in the northern Tararua Ranges : a thesis presented in partial fulfillment of the requirements for the degree of a Masters of Science in Ecology at Massey University, Palmerston North, New Zealand [PDF]
Freshwater fish communities were surveyed at 59 sites in the Mangatainoka, Makakahi and Ruamahanga catchments of the northeastern Tararua Ranges during 2000/01.
Bowie, Scott
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