Sixfinger Threadfin at a glance
- Scientific name
- Polydactylus quadrifilis
- Typical size
- 12-24 inches, 1-4 lbs
- Water
- Saltwater
- Habitat
- Inshore
- Rarity in the Fishdex™
- Legendary
Habitat
Inhabits coastal waters, estuaries, and nearshore areas in tropical and subtropical regions. Anglers target them using light tackle with small baits near structure and in shallow coastal waters. They feed on small fish, crustaceans, and marine worms.
Catch one and it is yours
Log a sixfinger threadfin through the Cobia Camera and this entry fills in with your photo, your personal best, and the exact conditions on the day. The app also carries the slot and season rules for wherever you are standing.
How the Fishdex™ worksSixfinger Threadfin questions people ask
Sixfinger Threadfin is Polydactylus quadrifilis.
A typical sixfinger threadfin runs 12-24 inches, 1-4 lbs. Cobia records the length and weight of every sixfinger threadfin you log and keeps your personal best on its Fishdex entry.
Inhabits coastal waters, estuaries, and nearshore areas in tropical and subtropical regions. Anglers target them using light tackle with small baits near structure and in shallow coastal waters. They feed on small fish, crustaceans, and marine worms. It is a salt water species, filed under inshore in the Fishdex.
Yes. Log one through the Cobia Camera and this entry fills in with your own photo, your personal best, and the conditions on the day you caught it. The app also carries the slot limits and season dates for wherever you are standing. It is free.






