Sampling of catches for the purposes of improving the knowledge on the biology of the relevant ICCAT species and of estimating the necessary parameters for their evaluation shall be carried out in accordance with Regulation (EU) 2017/1004 of the European Parliament and of the Council23, Commission Implementing Decision (EU) 2016/125124 and the ‘Field manual for statistics and sampling Atlantic tunas and tuna-like fishes’ published in 1990 by ICCAT.