nif:isString
|
-
The fish were anaesthetized with 2-phenoxyethanol (0.2 ml Lā1; Merck KGaA, Germany) and then measured (standard length LS; mean 99 mm, range 81ā117 mm) and weighed (mean body mass 9.1 g, range 4ā16 g); no size differences between the shoals of fish were detected (standard length P > 0.82, n = 600; body mass P > 0.68, n = 600).
|