pufferfish vs sea squab

pufferfish and sea squab both are nouns.

Word	Noun	Adjective	Verb	Adverb
pufferfish	Yes	No	No	No
sea squab	Yes	No	No	No

As nouns, pufferfish and sea squab are synonyms defined as:

pufferfish and sea squab: delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver

Other synonyms of pufferfish include blowfish, puffer.

pufferfish (noun)	sea squab (noun)
any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers	delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver
delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver