Green sea urchin Regulations in New Hampshire (2026)

Strongylocentrotus droebachiensis

Recreational green sea urchin rules in New Hampshire saltwater, as published by the New Hampshire Fish and Game Department, Marine Division. Last checked November 7, 2026.

Size limit

2 in minimum

Season

(1) By hand or by pot from October 1 through March 15; or (d) No…

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Recreational Green sea urchin rules in New Hampshire

Where: Statewide
Size limit: (a) No person shall take or possess sea urchins, Strongylocentrotus droebachiensis , having shells less than 2 inches in the longest diameter, exclusive of spines, to an amount of more than 5 percent of any bulk pile.
Season: (1) By hand or by pot from October 1 through March 15; or (d) No person shall take or possess sea urchins from March 16 to September 30.

(1) By hand or by pot from October 1 through March 15; or
(2) By a single sled from December 15 through March 15 as follows:
(3) No possession of other marine species including lobsters, finfish, or shellfish shall be allowed.

Official source

Quick answers

What is the green sea urchin size limit in New Hampshire?

(a) No person shall take or possess sea urchins, Strongylocentrotus droebachiensis , having shells less than 2 inches in the longest diameter, exclusive of spines, to an amount of more than 5 percent of any bulk pile..

When is green sea urchin season in New Hampshire?

(1) By hand or by pot from October 1 through March 15; or (d) No person shall take or possess sea urchins from March 16 to September 30.. Whether it is open on a specific day can change by emergency rule — check today's status in the app.

More clams, oysters & scallops in New Hampshire

All New Hampshire saltwater fishing regulations →

Source: New Hampshire Fish and Game Department, Marine Division. Most anglers need a New Hampshire saltwater license or registry: get one here.