The information presented is based on a years of research by experts in the field. Here you can find a list of the references relevant to Trout and we encourage you to read them to learn more.
Rainbow trout (Oncorhynskrus mykiss) which were air exposed for 60 s after exhaustive exercise initially had a march larger extracellular acidosis than trout which were only exercised. In both groups, however, plasma pH returned to normal by 4 h. Blood lactate concentrations were also greater in the air-exposed fish and continued to increase throughout the experiment.
The purpose of the study was to collect information on angling procedures and the effects of hook and release on Atlantic salmon in the River Alta, northern Norway, covering both grilse and multi-sea-winter salmon in a non-artificial setting with real anglers.
Using wild white-spotted charr (Salvelinus leucomaenis) as a model, we investigated the effects of cutting the line and leaving the hook embedded in deeply hooked fish in a multiple catch-and-release experiment. Ten fishing episodes involving 415 tagged fish (fork length range: 96–311 mm) were conducted at weekly intervals. A total of 735 captures (1.8 times per fish), 88 captures were deep-hooked and released by cutting the line.
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