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The effect of temperature on the rates of development and hatching of artificially fertilized eggs of the scad, Trachurus trachurus L., was studied using a thermal gradient incubator. Development of eggs through to hatching occurred within the temperature range 10.5–21.2° C, with greatest survival between 12.2 and 15.8° C. The mean egg diameter was 0.94 mm and mean length of larvae on hatching 2.46 mm. Regressions of development time on mean incubation temperature are presented. The data are compared with those reported in the literature and related to sea temperatures in scad spawning grounds.
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Pipe et al. (1987) studied this question.
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