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De Los Ríos Escalante, PatricioBarile Sanhueza, JuanEscudero, Manuel[Ecology of benthic crustaceans in the Tolten river (39°S, Araucanía Región, Chile)]Ecology of benthic crustaceans in the Tolten river (39°S, Araucanía Región, Chile)

Eight different salinity effects on embryonic survival and embryonic and hatching phase time duration of jollytail (Galaxias maculatus) were assessed. Mean survival rates were higher at salinities values of 0, 4, 8, 12, 16 and 20 with 84.9, 84.0, 85.5, 86.1, 82.6 and 75.8% respectively with no si...


Barile Sanhueza, JuanEscudero, ManuelCarreno Abarzua ErikoSan Martin, David[Effect of salinity on survival of embryos of jollytail Galaxias maculatus (Jenyns, 1842)]Effect of salinity on survival of embryos of jollytail Galaxias maculatus (Jenyns, 1842)

This study aims to evaluate the effect of temperature and salinity on Galaxias maculatus embryo survival. Embryos were incubated at 5, 10 and 15 degrees C and 0, 10 and 30 psu. At 5 degrees C all salinities induced 100% mortality. Furthermore, salinity of 30, regardless temperature, caused 100% m...


Barile Sanhueza, JuanEscudero, ManuelCarreno Abarzua Eriko[Combined effect of temperature and salinity on embryonic survival of Galaxias maculatus]Combined effect of temperature and salinity on embryonic survival of Galaxias maculatus

This study aims to evaluate the effect of pH on embryonic survival of Galaxias maculatus. Embryos were incubated at 6 different pH levels in the water. One-way ANOVA was used to compare averages between treatments and Tukey test to determine post hoc differences. The Probit regression was used to...


Barile Sanhueza, JuanEscudero, ManuelJara, Luisa[Effect of pH on embryonic survival, embryonic and hatching period of Galaxias maculatus]Effect of pH on embryonic survival, embryonic and hatching period of Galaxias maculatus

The use of antifungals was assessed to improve embryo survival of Galaxias maculatus. Three treatments using formalin dose of 250 ppm, iodine dose of 100 ppm, and sea salt in doses of 30 ups were designed, and a control treatment under 10 of salinity water. For each treatment and control, 15 repl...


Barile Sanhueza, JuanEscudero, ManuelRomero, JuanEncina Montoya, Francisco[Embryonic survival of Galaxias maculatus (Jenyns, 1842), under different prophylactic immersion bath]Embryonic survival of Galaxias maculatus (Jenyns, 1842), under different prophylactic immersion bath

We evaluated the effect of six constant temperatures on embryonic survival, embryonic period and hatching period of Galaxias maculatus from 7 to 22 degrees C under laboratory conditions. The results of embryo survival were: 90.6 +/- 2.0, 88.7 +/- 8.6, 87.7 +/- 0.7, 89.7 +/- 4.2, 70.0 +/- 5.6 and ...


Barile Sanhueza, JuanCarreno Abarzua ErikoEscudero, ManuelBello, Ariel[Effect of temperature on survival of embryos of puye Galaxias maculatus (Jenyns, 1842)]Effect of temperature on survival of embryos of puye Galaxias maculatus (Jenyns, 1842)
Barile Sanhueza, JuanEscudero, ManuelDe Los Rios-Escalante, Patricio[ECOLOGY OF BENTHIC CRUSTACEANS IN THE TOLTEN RIVER (39 degrees S, ARAUCANIA REGION, CHILE)]ECOLOGY OF BENTHIC CRUSTACEANS IN THE TOLTEN RIVER (39 degrees S, ARAUCANIA REGION, CHILE)

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