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Size at maternity and size at maturity of the blue shark Prionace glauca were studied from samples collected during ten commercial longline fishing cruises off southern Brazil and in adjacent international waters. The sharp increase of the amplitude of the values of reproductive variables at a given fork length (FL) was evidence that from that FL reproduction occurred. Thus, we calculated the proportion...
The composition and magnitude of the catches of the life stages of both sexes of the blue shark Prionace glauca were recorded at sea from 2004 to 2006 during seven commercial longline fishing cruises off Southern Brazil between latitudes of 24°S and 38°S and longitudes 29°W and 52°W. P. glauca occurred in all sets and constituted 63% of the pooled catch in numbers. Fork length (FL) ranged from 84...
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