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Species · Lookalikes

Dog SnapperorSchoolmaster Snapper

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

Studio photograph of a Dog Snapper (Lutjanus jocu), side view, on a white background
Dog SnapperLutjanus jocu
Studio photograph of a Schoolmaster Snapper (Lutjanus apodus), side view, on a white background
Schoolmaster SnapperLutjanus apodus

Rules for both fish from 6 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

Dog Snapper

Canines you can see with the mouth CLOSED; pale triangle and a row of blue dots below the eye.

Dog snapper, next to schoolmaster snapper: visible canines and a pale triangle under the eye.

Schoolmaster Snapper

Snapper with 8 pale vertical bars, a blue streak under the eye, and every fin yellow.

Schoolmaster snapper, next to dog snapper: barred, all-yellow fins.

Side by side

Dog SnapperSchoolmaster Snapper
Scientific nameLutjanus jocuLutjanus apodus
Also calledDogtooth snapper—
WatersNearshoreNearshore
Heaviest state record30.97 lb · Louisiana (2026)3.69 lb · Florida (2024)
On the tableGood, but big Keys fish carry ciguatera risk.Good — typical snapper.
Rules of its own in6 states6 states

Rules for

Every state, both fish

The two fish are regulated differently in 2 of 6 states with a rule for either. In Florida (Atlantic), dog snapper is 12 in TL min, 10 per person (within 10-snapper aggregate) and schoolmaster snapper is 10 in TL min, 10 per person (within 10-snapper aggregate). Call the fish wrong and you keep a short one or throw back a legal one.

StateDog Snapper: size · bag · seasonSchoolmaster Snapper: size · bag · season
AlabamaNo size limit20-fish reef fish aggregateOpen year-roundOpenAL MRD 2026 · likely · checked No size limit20-fish reef fish aggregateOpen year-roundOpenAL MRD 2026 · likely · checked
Florida (Atlantic)12 in TL min10 per person (within 10-snapper aggregate)Open year-roundOpenFWC 2026 · checked 10 in TL min10 per person (within 10-snapper aggregate)Open year-roundOpenFWC 2026 · checked
Florida (Gulf)12 in TL min10 per person (within 10-snapper aggregate)Open year-roundOpenFWC 2026 · checked 10 in TL min10 per person (within 10-snapper aggregate)Open year-roundOpenFWC 2026 · checked
LouisianaNo size limit10 per person in snapper aggregateOpen year-roundOpenLDWF 2026 · likely · checked No size limit10 per person in snapper aggregateOpen year-roundOpenLDWF 2026 · likely · checked
MarylandNo size limit20 aggregate; max 10 of any one speciesOpen year-roundOpenMD DNR 2026 · checked No size limit20 aggregate; max 10 of any one speciesOpen year-roundOpenMD DNR 2026 · checked
Mississippi12 in total length minimum10 per person per dayOpen year-roundOpenMS DMR 2026 · checked 12 in total length minimum10 per person per dayOpen year-roundOpenMS DMR 2026 · checked

In the app

Point the camera at the fish and Chum names it before you take the picture, dog snapper or schoolmaster snapper, 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 dog snapper from schoolmaster snapper?

Dog Snapper: Canines you can see with the mouth CLOSED; pale triangle and a row of blue dots below the eye. Schoolmaster Snapper: Snapper with 8 pale vertical bars, a blue streak under the eye, and every fin yellow. Schoolmaster snapper, next to dog snapper: barred, all-yellow fins. Dog snapper, next to schoolmaster snapper: visible canines and a pale triangle under the eye.

Which gets bigger, dog snapper or schoolmaster snapper?

Dog Snapper. The heaviest state record we hold is 30.97 lb in Louisiana; the heaviest schoolmaster snapper record is 3.69 lb in Florida.

Which is better to eat, dog snapper or schoolmaster snapper?

Dog Snapper: Good, but big Keys fish carry ciguatera risk. Schoolmaster Snapper: Good — typical snapper.

Do dog snapper and schoolmaster snapper have the same limits?

Not everywhere. They differ in 2 state rulebooks. Florida (Atlantic): dog snapper 12 in TL min, 10 per person (within 10-snapper aggregate), schoolmaster snapper 10 in TL min, 10 per person (within 10-snapper aggregate); Florida (Gulf): dog snapper 12 in TL min, 10 per person (within 10-snapper aggregate), schoolmaster snapper 10 in TL min, 10 per person (within 10-snapper aggregate).