Is it a keeper? Blue Crab has no size limit today, with 10 gallons whole per person per day.
Blue Crab size limit, season and daily limit
Where
Season
Size limit
Daily limit
Florida state waters (Atlantic & Gulf)
Open year-round
No size limit
10 gallons whole per person per day
Notes
No egg-bearing crabs. Up to 5 traps per person, registered free at GoOutdoorsFlorida.com.
No minimum size. Egg-bearing crabs may not be kept. Up to 5 traps per person with free annual trap registration (16+). Trap closures: Sept 20 – Oct 4 in Gulf state waters beyond 3 mi; regional 10-day trap closures alternate coasts each year.
Exact Florida Fish and Wildlife Conservation Commission wording
Season
Open year-round
Size
None
Limit
10 gallons whole per harvester per day
statewide — as printed
“Size Limit: None; Daily Bag Limit: 10 gallons whole per harvester per day; Harvest of egg-bearing crabs prohibited”
Callinectes sapidus, commonly known as the blue crab, Atlantic blue crab, or, regionally, the Maryland blue crab, is a species of crab native to the waters of the western Atlantic Ocean and the Gulf of Mexico, and introduced internationally.