Gray Triggerfish
Gray Triggerfish (Balistes capriscus) is a saltwater species. The first thing to check: a stout first dorsal spine that locks upright and only drops when a small second spine behind it is released — the trigger the fish is named for. The look-alike to rule out is Ocean Triggerfish: ocean triggerfish are deeper-bodied with much longer front lobes on the soft dorsal and anal fins, and sit higher in the water column.
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| Scientific name | Balistes capriscus |
|---|---|
| Also called | triggerfish, trigger, leatherjacket |
| Water | Saltwater |
| Group | Triggerfish |
| Temperature | Common between 65 and 82 °F. |
How to identify a Gray Triggerfish
- A stout first dorsal spine that locks upright and only drops when a small second spine behind it is released — the trigger the fish is named for.
- Tough, sandpapery, almost leathery skin over a deep, compressed, oval body.
- A very small mouth set with strong chisel-like incisors, and faint blue lines and spots over the upper body.
If you would rather not work through a key on a wet deck, photograph the fish and let the app name it — you get the common and the scientific name back, and the record is filed before you release.
Fish it is mistaken for
| Species | How to tell them apart |
|---|---|
| Ocean Triggerfish | Ocean triggerfish are deeper-bodied with much longer front lobes on the soft dorsal and anal fins, and sit higher in the water column. |
| Scrawled Filefish | Filefish have one slender dorsal spine with no locking trigger, and blue scrawled markings over the body. |
Where it lives
Atlantic and Gulf reefs, wrecks, rubble and artificial structure, usually hovering just above the piece rather than on the bottom.
Temperature
Common between 65 and 82 °F.
The conditions that matter
Triggerfish are structure-bound and almost entirely current-driven — a running tide over a wreck brings them up off the piece, and slack water sends them back down. Their small mouth and chisel teeth make them the notorious bait thief, so a spot that keeps stripping baits with no hookup is usually holding them.
Global Fishing League records 18 weather and water readings against every catch automatically — tide stage, barometric pressure, water temperature, salinity, dissolved oxygen, chlorophyll, swell, current, moon phase and more, taken at your GPS position at the moment you log the fish. Over a season that turns a hunch about gray triggerfish into a pattern you can read.
See every reading recorded with a catch, or the guides to what each reading means.
Size limits, bag limits and seasons
Size limits, bag limits, slot limits and seasons are set by your state wildlife agency — and for many offshore and migratory species by federal regulators — and on many waters they differ from the statewide rule. They also change between seasons. Check the current regulations for the exact water you are fishing before you keep a fish — we do not republish limits here, because a number that is a season out of date is worse than no number.
What the app does do is make your side of it accurate: every catch carries a length measured from the photograph, a GPS position and a timestamp, exportable if you ever need to show your work for a tournament or a record claim. It is also what a Global Fishing League entry is built from — a record that verifies itself, without publishing where you caught the fish.