Maryland state waters, out to 3 miles
MD DNR 2026 · checked · the official rulebook is the final word
Maryland state record
MD DNR Sport Fish State Records · checked 2026-08-23
How to tell it
The tail's upper lobe is as long as the body — the whip is the whole ID. More on the common thresher page: every state’s rule, the records, and how anglers catch it.
Questions anglers ask5
What is the size limit for common thresher in Maryland?
54 in FL. Measured as fork length: snout to the fork of the tail.
How many common thresher can you keep in Maryland?
1 shark per vessel per trip (aggregate); shore 1 per day. Aggregate: Shark aggregate (1 per vessel/trip).
When is common thresher season in Maryland?
Open year-round.
What is the Maryland record common thresher?
642 lb, The Fingers (2009).
How current is this Maryland common thresher rule?
Source: MD DNR 2026, last checked Sep 20, 2026. A watchman re-reads the agency's pages nightly. Rules change mid-season by proclamation; the official rulebook is the final word.
In the appPoint the camera at a common thresher in Maryland and this rule is on the screen before you take the picture. No signal needed.
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