Question

crustaceans only think of themselves. theyre so ______. puns often use words with two meanings or similar sounds to create humor. which similar sounding word would complete this pun? silly shellfish crabby

Explanation:

The pun plays on the word - "crabby" which can mean irritable and is also related to crabs (a type of crustacean). The sentence "Crustaceans only think of themselves. They're so crabby" uses "crabby" to imply both the self - centered nature (as if being irritable) and relates it to the crustacean theme.

Answer:

crabby