Volume of production of frigate tuna, Auxis thazard (Lacepede, 1800) in Surigao Del Norte, Philippines

Abstract

The annual of production of frigate tuna, Auxis thazard (Lacepede, 1800) in Surigao del Norte, Philippines was studied to determine the catch trend for the 12-year period from 2007 to 2018. Analysis using trend and seasonal adjustment revealed that annual production of this species was generally decreasing over the years. It was abundantly caught in the first quarter (83.16 mt) followed by the second quarter (80.33 mt), fourth quarter (67.28 mt) and lowest was the third quarter (48.99 mt).