TY - JOUR AU - Correa Herrera, Tatiana AU - Correa Rendón, Juan Diego AU - Márquez Velásquez, Viviana AU - Jiménez Segura, Luz Fernanda AU - Carvajal Quintero, Juan David PY - 2017/03/01 Y2 - 2024/03/28 TI - Spawning aggregations of Tylosurus pacificus (Beloniformes: Belonidae) and their fishery in Utría Park, Colombian Pacific JF - Revista de Biología Tropical JA - Rev. Biol. Trop. VL - 65 IS - 1 SE - Articles DO - 10.15517/rbt.v65i1.22397 UR - https://revistas.ucr.ac.cr/index.php/rbt/article/view/22397 SP - 77–87 AB - <span lang="EN-US">Some species of marine fish have complex relationships with coastal ecosystems during their reproductive periods, as the needle fish<em> Tylosurus pacificus</em> that forms spawning aggregations in gravel beaches in Utría Park.<strong> </strong>W</span><span lang="EN-US">e described </span><span lang="EN-US">fishery and some aspects of the reproductive biology of <em>T. pacificus</em> </span><span lang="EN-US">and proposed some strategies to mitigate the impact of this event and associated ecological processes.</span><span lang="EN-US"> Fisheries monitoring were conducted between April 2008 and February 2009 in the Utría National Park, Colombian Pacific. Catch volumes, length structure, sex ratio and fecundity (n= 84) were analyzed. The total length ranged among 60.5 and 104 cm with a mean and standard deviation of 85.35 ± 9.09 cm. The average fertility of oocytes per gonad was 189 685.56, with a mode of 8 mm diameter and an asynchronous gonadal development. This species spawns collectively on the beach when the tide reaches the highest level during full and new moon, usually in the evening.</span><span lang="EN-US"> Fishermen of a near town take advantage of the spawning aggregation of this species. The reproduction study of <em>T. pacificus</em> and ecological processes associated with their spawning, should be expanded to give adequate use, and ensure the sustainability of their fishery over the long term.</span> ER -