Alex Little from Queen’s University, Canada, has found that billfishes, like swordfish and marlin, are some of the closest living relatives to the flatfishes, like plaice, sole, flounder and ...

Today, those same features characterize large predatory bony fishes, such as tuna and billfishes, that are currently in decline and at risk of extinction themselves. The hardest hit species are ...

For the first time, all species of scombrids (tunas, bonitos, mackerels and Spanish mackerels) and billfishes (swordfish and marlins) have been assessed for the IUCN Red List of Threatened Species.

A study published yesterday in the journal Nature finds that marine predators (tunas, billfishes, and sharks, for example) get together in rotating ocean eddies that spin clockwise and are ...

billfishes and sharks, aggregate in anticyclonic, clockwise-rotating ocean eddies (mobile, coherent bodies of water). As these anticyclonic eddies move throughout the open ocean, the study ...

Intense coastal upwelling occurring in the ETA and ETP contributes to increased primary and secondary productivity 27, which ultimately may influence the carrying capacities for billfishes and ...