Samples from 2 l of sea water were filtered through polycarbonate Millipore. The filters were kept deep frozen and analyzed according to Holm-Hansen et al. (Holm-Hansen, O., Lorenzen, C.J., Holmes, R.
Temperature and fitness data for Atlantic bluefin tuna in their spawning groundsAverage daily temperature (ºC) records in the major spawning grounds for Atlantic bluefin tuna and the predicted egg fit