Promethichthys prometheus
Promethichthys prometheus, the Roudi escolar, is a species of snake mackerel native to the warm temperate and tropical waters of all the oceans where it occurs at depths of from  (mostly between ).  This species grows to a length of  SL though most do not exceed  SL.  It is important to local peoples as a food fish and is popular as a game fish though it has been reported to carry the ciguatera toxin.  It is also utilized as bait.  This species is the only known member of its genus.