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Species · Lookalikes

Checkered PufferorSmooth Puffer

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

Studio photograph of a Checkered Puffer (Sphoeroides testudineus), side view, on a white background
Checkered PufferSphoeroides testudineus
Studio photograph of a Smooth Puffer (Lagocephalus laevigatus), side view, on a white background
Smooth PufferLagocephalus laevigatus

Rules for both fish from 2 state rulebooks, checked Oct 29, 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

Checkered Puffer

Pale puffer with a dark net-like pattern over the back and bars around the eyes; inflates when handled.

Checkered puffer, next to smooth puffer: small, patterned.

Smooth Puffer

Large silvery puffer, to 2 ft, with a smooth back and a forked tail; offshore and inshore.

Smooth puffer, next to checkered puffer: large, plain silver.

Side by side

Checkered PufferSmooth Puffer
Scientific nameSphoeroides testudineusLagocephalus laevigatus
Also calledPuffer, BlowfishRabbitfish, Blowfish
WatersInshoreOffshore
Heaviest state record——
On the tableDo not eat — puffers carry saxitoxin; poisonings are on record in Florida.Do not eat — puffer toxin risk; sold illegally as 'sea squab'.
Rules of its own in2 states2 states

Rules for

Every state, both fish

The two fish are regulated differently in 2 of 2 states with a rule for either. In Florida (Atlantic), checkered puffer is No size limit, Banned in 5 east-coast counties · elsewhere 2 fish or 100 lb and smooth puffer is No size limit, 2 fish or 100 lb per person, whichever is greater. Call the fish wrong and you keep a short one or throw back a legal one.

StateCheckered Puffer: size · bag · seasonSmooth Puffer: size · bag · season
Florida (Atlantic)No size limitBanned in 5 east-coast counties · elsewhere 2 fish or 100 lbBanned in Volusia–Martin counties (toxin)CheckFWC, Fla. Admin. Code r. 68B-3.007 · checked No size limit2 fish or 100 lb per person, whichever is greaterOpen year-roundOpenFWC 2026 (default limits; 68B-3.007 names Sphoeroides only) · checked
Florida (Gulf)No size limitBanned in 5 east-coast counties · elsewhere 2 fish or 100 lbBanned in Volusia–Martin counties (toxin)CheckFWC, Fla. Admin. Code r. 68B-3.007 · checked No size limit2 fish or 100 lb per person, whichever is greaterOpen year-roundOpenFWC 2026 (default limits; 68B-3.007 names Sphoeroides only) · checked

In the app

Point the camera at the fish and Chum names it before you take the picture, checkered puffer or smooth puffer, 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 checkered puffer from smooth puffer?

Checkered Puffer: Pale puffer with a dark net-like pattern over the back and bars around the eyes; inflates when handled. Smooth Puffer: Large silvery puffer, to 2 ft, with a smooth back and a forked tail; offshore and inshore. Smooth puffer, next to checkered puffer: large, plain silver. Checkered puffer, next to smooth puffer: small, patterned.

Which is better to eat, checkered puffer or smooth puffer?

Checkered Puffer: Do not eat — puffers carry saxitoxin; poisonings are on record in Florida. Smooth Puffer: Do not eat — puffer toxin risk; sold illegally as 'sea squab'.

Do checkered puffer and smooth puffer have the same limits?

Not everywhere. They differ in 2 state rulebooks. Florida (Atlantic): checkered puffer No size limit, Banned in 5 east-coast counties · elsewhere 2 fish or 100 lb, smooth puffer No size limit, 2 fish or 100 lb per person, whichever is greater; Florida (Gulf): checkered puffer No size limit, Banned in 5 east-coast counties · elsewhere 2 fish or 100 lb, smooth puffer No size limit, 2 fish or 100 lb per person, whichever is greater.