CHUM Get the app

Species · Lookalikes

Atlantic MenhadenorAlewife

Two fish anglers mix up. Here is what separates them, and what each one’s rules are in your state.

Studio photograph of an Atlantic Menhaden (Brevoortia tyrannus), side view, on a white background
Atlantic MenhadenBrevoortia tyrannus
Studio photograph of an Alewife (Alosa pseudoharengus), side view, on a white background
AlewifeAlosa pseudoharengus

Rules for both fish from 11 state rulebooks, checked Sep 18, 2026. Every rule names its source and the day it was last checked; the official rulebook is the final word.

How to tell them apart

Atlantic Menhaden

Deep-bodied herring with a big black shoulder spot trailed by smaller spots; swims in tight flipping schools.

Alewife

River herring with an eye WIDER than its snout is long; gray-green back, single shoulder spot, sawtooth belly keel.

Alewife, next to Atlantic menhaden: single spot only, slimmer.

Side by side

Atlantic MenhadenAlewife
Scientific nameBrevoortia tyrannusAlosa pseudoharengus
Also calledBunker, Pogy, FatbackRiver herring, Buckie
WatersInshoreInshore
Heaviest state record
On the tableBait and chum — not table fare.Possession is banned along most of the coast — release.
Rules of its own in7 states11 states

Rules for

Every state, both fish

The two fish are regulated differently in 11 of 11 states with a rule for either. In Connecticut, Atlantic menhaden is No size limit, 50 fish or 5 gallons per day, whichever is greater and alewife is Take prohibited, 0. Call the fish wrong and you keep a short one or throw back a legal one.

StateAtlantic Menhaden: size · bag · seasonAlewife: size · bag · season
ConnecticutNo size limit50 fish or 5 gallons per day, whichever is greaterOpen year-roundOpenCT DEEP 2026 · checked Take prohibited0Closed year-roundPut it backCT DEEP 2026 · checked
DelawareNot specifically regulated; the state’s default for unlisted species applies.Harvest prohibited0Closed - no harvest permittedPut it backDE DNREC 2026 · checked
MaineNo size limit25 per dayOpen year-roundOpenME DMR 2026 · checked No size limit25 river herring per day (alewife + blueback combined)Open year-round; non-leased brooks, rivers and streams closed 6 AM Thursday to 6 AM Sunday weeklyOpenME DMR 2026 · checked
MarylandNo size limitNo bag limitOpen year-roundOpenMD DNR 2026 · likely · checked Catch and release only0Closed - moratoriumPut it backMD DNR 2026 · checked
MassachusettsNot specifically regulated; the state’s default for unlisted species applies.Possession prohibitedProhibitedPut it backMA DMF 2026 · checked
New HampshireNo size limitNo bag limitOpen year-roundOpenNH F&G 2026 · checked No size limitSee Squamscott River special restrictionsClosed weekly sunrise Wednesday to sunrise ThursdayOpenNH F&G 2026 · checked
New JerseyNot specifically regulated; the state’s default for unlisted species applies.Prohibited0No open seasonPut it backNJ DEP 2026 · checked
New YorkNo size limit100Open year-roundOpenNY DEC 2026 · checked No possession0Closed all year (marine district)Put it backNY DEC 2026 · checked
North CarolinaNo size limitNo bag limitOpen year-roundOpenNC DMF 2026 · checked N/ANo harvest or possessionClosed year-roundPut it backNC DMF 2026 · checked
Rhode IslandNo size limit200/person/day (fish over 4"; unlimited under 4")Open year-roundOpenRI DEM 2026 · checked N/ANo harvest or possessionClosed year-roundPut it backRI DEM 2026 · checked
VirginiaNot specifically regulated; the state’s default for unlisted species applies.No harvest0Closed (moratorium)Put it backVMRC 2026 · checked

In the app

Point the camera at the fish and Chum names it before you take the picture, Atlantic menhaden or alewife, with the right rules for the water you’re standing in. No signal needed.

Get the app

Questions anglers ask

How do you tell Atlantic menhaden from alewife?

Atlantic Menhaden: Deep-bodied herring with a big black shoulder spot trailed by smaller spots; swims in tight flipping schools. Alewife: River herring with an eye WIDER than its snout is long; gray-green back, single shoulder spot, sawtooth belly keel. Alewife, next to Atlantic menhaden: single spot only, slimmer.

Which is better to eat, Atlantic menhaden or alewife?

Atlantic Menhaden: Bait and chum — not table fare. Alewife: Possession is banned along most of the coast — release.

Do Atlantic menhaden and alewife have the same limits?

Not everywhere. They differ in 11 state rulebooks. Connecticut: Atlantic menhaden No size limit, 50 fish or 5 gallons per day, whichever is greater, alewife Take prohibited, 0; Maine: Atlantic menhaden No size limit, 25 per day, alewife No size limit, 25 river herring per day (alewife + blueback combined); Maryland: Atlantic menhaden No size limit, No bag limit, alewife Catch and release only, 0; New Hampshire: Atlantic menhaden No size limit, No bag limit, alewife No size limit, See Squamscott River special restrictions; New York: Atlantic menhaden No size limit, 100, alewife No possession, 0; and more in the table on this page.