A tropical marine fish that has long streamers or rays arising from its pectoral fins, locally important as a food fish.
- ‘They look identical to what the Australians call threadfin salmon or king threadfin.’
- ‘Up here big tidal rivers empty into the ocean and boast world-class fishing for familiar species like cobia and Spanish mackerel plus Australia's own threadfin and blue salmon.’
- ‘In Hawaii, for instance, the industry is keeping close watch on a pilot project to raise Pacific threadfin in open-ocean net pens.’
We take a look at several popular, though confusing, punctuation marks.