· Saltwater · 2026 season

| Where | Season | Size limit | Daily limit |
|---|---|---|---|
| Atlantic state waters | May 1 – December 31 | 24 inch minimum | 1 gag or black within the 3-grouper aggregate; 2 black per vessel |
| Gulf state waters | Open year-round | 24 inch minimum | 4 within the 4-grouper aggregate |
Source: Florida Fish and Wildlife Conservation Commission, captured 2026-10-01 (2026 season).
Say it, snap a photo, or type the length. SlotGauge answers KEEP or RELEASE using today's Florida rules.
Open SlotGauge for Black GrouperSpecies of fish
Mycteroperca bonaci, the black grouper, black rockfish or marbled rockfish, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is part of the family Serranidae, which also includes the anthias and sea basses. Other fish are sometimes called the black grouper including the similar gag grouper, the misty grouper, and the warsaw grouper. This species is found in the western Atlantic Ocean from the northeastern United States to Brazil.
Read more about Mycteroperca bonaci on Wikipedia →
Text from Wikipedia, CC BY-SA 4.0. Regulations on this page come from Florida Fish and Wildlife Conservation Commission, not Wikipedia.
24 inch minimum in Florida state waters.
1 gag or black within the 3-grouper aggregate; 2 black per vessel.
May 1 – December 31.
A black grouper is a keeper today if it measures at least 24 inches, with a daily limit of 1.