National Geographic

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Photo by Octavio Aburto

Photo by Octavio Aburto
Bigeye travellies (Caranx sexfasciatum). Cabo Pulmo National Park, Mexico. In many places, fish spawning aggregations have been overfished and species that form these aggregations have been deplated almost to their extinction. In fact, for many species we do not know how big use to be their populations. Fortunately, thanks to the protection of species inside marine reserves, we can film and photograph populations of many species that have amazing individual numbers, which display extraordinary behaviours during their reproduction seasons, such as the bigeye trevally (Caranx sexfasciatum).