It has also been listed under Annex I of the Convention on Migratory Species Migratory Shark Memorandum of Understanding.[15] In the North Atlantic, stocks of the shortfin mako have declined 40% or more since the late 1980s, and concerns exist that populations of the longfin mako are following the same trend.[1] In 2019, along with its relative the shortfin mako, the IUCN listed the longfin mako as "Endangered" due to continuing declines alongside 56 other shark species.[4][5]