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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.

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Checkered PufferSphoeroides testudineus
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Smooth PufferLagocephalus laevigatus

Rules for both fish from 2 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

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

Where either fish has a rule, the two are regulated the same. The name still goes in the log and on the tally.

StateCheckered Puffer: size · bag · seasonSmooth Puffer: size · bag · season
Florida (Atlantic)No size limitSee noteYear-roundCheckFWC 2026 · likely · checked No size limitSee noteYear-roundCheckFWC 2026 · likely · checked
Florida (Gulf)No size limitSee noteYear-roundCheckFWC 2026 · likely · checked No size limitSee noteYear-roundCheckFWC 2026 · likely · 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?

Yes, in every state that regulates either one. The table on this page lists each rule with its source and check date.