Bluefin Trevally at a glance
- Scientific name
- Caranx melampygus
- Typical size
- 12-24 inches, 2-8 lbs
- Water
- Saltwater
- Habitat
- Reef
- Rarity in the Fishdex™
- Rare
Habitat
Found around coral reefs, drop-offs, and rocky areas in tropical waters. Anglers target them using live bait, jigs, and topwater lures near reef structures and seamounts, often in deeper water than other jacks.
Catch one and it is yours
Log a bluefin trevally 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™ worksBluefin Trevally questions people ask
Bluefin Trevally is Caranx melampygus.
A typical bluefin trevally runs 12-24 inches, 2-8 lbs. Cobia records the length and weight of every bluefin trevally you log and keeps your personal best on its Fishdex entry.
Found around coral reefs, drop-offs, and rocky areas in tropical waters. Anglers target them using live bait, jigs, and topwater lures near reef structures and seamounts, often in deeper water than other jacks. It is a salt water species, filed under reef 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.






