Atlantic Thread Herring
Opisthonema oglinum
Also called Threadfin, Greenie.
How to tell it
Last dorsal ray trails into a long thread; single shoulder spot on a deep herring body.
- Not a atlantic menhaden? That one no thread, spot trail. (Atlantic Menhaden)
- Not a scaled sardine? That one no thread, slimmer. (Scaled Sardine)
Rules for
Every state
| State | Size | Bag | Season | Today |
|---|---|---|---|---|
| Florida (Atlantic) | No size limit | 2 fish or 100 lb per person per day (whichever is more) | Open year-roundFWC 2026 · checked | Open |
| Florida (Gulf) | No size limit | 2 fish or 100 lb per person per day (whichever is more) | Open year-roundFWC 2026 · checked | Open |
Not specifically regulated in Alabama, Connecticut, Delaware, Georgia, Louisiana, Maine, Maryland, Massachusetts, Mississippi, New Hampshire, New Jersey, New York, North Carolina, Rhode Island, South Carolina, Texas, Virginia: each state’s rule for unlisted species applies there (on its page).
On the table
Bait.
In the app
Point the camera at a atlantic thread herring and the name appears before you take the picture, with these rules for the water you’re standing in. No signal needed, and every catch goes in the log.
Get the appQuestions anglers ask about atlantic thread herring
How many atlantic thread herring can you keep?
Florida (Atlantic): 2 fish or 100 lb per person per day (whichever is more); Florida (Gulf): 2 fish or 100 lb per person per day (whichever is more).
How do you tell atlantic thread herring from atlantic menhaden?
Atlantic Thread Herring has this: Last dorsal ray trails into a long thread; single shoulder spot on a deep herring body.. Atlantic Menhaden no thread, spot trail.