The aggregation of R. terraenovae and S. tiburo between midApril to June and from August to September, respectively, enables
a catch period of at least two months for each species. Rhizoprionodon terraenovae account for more than 80% of the catch for
approximately 100–130 boats in April–June in areas between 20
and 50 km from shore, and S. tiburo account for 50–80% of the
catch of approximately 30 boats in August–September in coastal
areas (