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Species · Lookalikes

Northern KingfishorSouthern Kingfish

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

Studio photograph of a Northern Kingfish (Menticirrhus saxatilis), side view, on a white background
Northern KingfishMenticirrhus saxatilis
No picture yet
Southern KingfishMenticirrhus americanus

Rules for both fish from 3 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

Northern Kingfish

Dark diagonal bars forming a V at the shoulder, a long first dorsal spine, and a single chin barbel.

Southern Kingfish

Chin barbel, no air bladder croaks here — the surf 'sea mullet'.

Southern kingfish, next to northern kingfish: fainter bars, no shoulder V, shorter dorsal spine.

Side by side

Northern KingfishSouthern Kingfish
Scientific nameMenticirrhus saxatilisMenticirrhus americanus
Also calledSea mullet, Whiting, Roundhead
WatersInshoreInshore
Heaviest state record4 lb · Delaware (1973)4 lb · Delaware (1973)
On the tableVery good — sweet white surf-fish fillets.Very good surf panfish.
Rules of its own in3 states2 states

Rules for

Every state, both fish

The two fish are regulated differently in 1 of 3 states with a rule for either. In North Carolina, northern kingfish is No size limit, No bag limit while southern kingfish has no rule of its own there. Call the fish wrong and you keep a short one or throw back a legal one.

StateNorthern Kingfish: size · bag · seasonSouthern Kingfish: size · bag · season
MississippiNo size limitNo bag limitOpen year-roundOpenMS DMR 2026 · likely · checked No size limitNo bag limitOpen year-roundOpenMS DMR 2026 · checked
North CarolinaNo size limitNo bag limitOpen year-roundOpenNC DMF 2026 · checked Not specifically regulated; the state’s default for unlisted species applies.
South CarolinaNo size limit50/day aggregateOpen year-roundOpenSC DNR 2026 · checked No size limit50/day aggregateOpen year-roundOpenSC DNR 2026 · checked

In the app

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

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Questions anglers ask

How do you tell northern kingfish from southern kingfish?

Northern Kingfish: Dark diagonal bars forming a V at the shoulder, a long first dorsal spine, and a single chin barbel. Southern Kingfish: Chin barbel, no air bladder croaks here — the surf 'sea mullet'. Southern kingfish, next to northern kingfish: fainter bars, no shoulder V, shorter dorsal spine.

Which gets bigger, northern kingfish or southern kingfish?

Northern Kingfish. The heaviest state record we hold is 4 lb in Delaware; the heaviest southern kingfish record is 4 lb in Delaware.

Which is better to eat, northern kingfish or southern kingfish?

Northern Kingfish: Very good — sweet white surf-fish fillets. Southern Kingfish: Very good surf panfish.

Do northern kingfish and southern kingfish have the same limits?

Not everywhere. They differ in 1 state rulebooks. North Carolina: northern kingfish No size limit, No bag limit, southern kingfish no rule of its own.