Delaware state waters, out to 3 miles
Size54 in FL minFork length: snout to the fork of the tail
Bag1 shark aggregate per vessel (shore: per angler)Aggregate: DE shark aggregate (1 per vessel; shore anglers 1 each)
SeasonOpen year-roundOpen today
DE DNREC 2026 · checked · the official rulebook is the final word
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 ask4
What is the size limit for common thresher in Delaware?
54 in FL min. Measured as fork length: snout to the fork of the tail.
How many common thresher can you keep in Delaware?
1 shark aggregate per vessel (shore: per angler). Aggregate: DE shark aggregate (1 per vessel; shore anglers 1 each).
When is common thresher season in Delaware?
Open year-round.
How current is this Delaware common thresher rule?
Source: DE DNREC 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 Delaware and this rule is on the screen before you take the picture. No signal needed.
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