What are catfish missing that many other fish have?

More Questions:

What does a philologist study?

Which US state was boxer John L. Sullivan born in?

What game can you "squidge', "squop" and "pot out" in?

Who is the Roman goddess of hunting?

How many U.S. states are there?

How many kilograms make up a short ton?

What was the name of the first space-ready orbiter of NASA's space shuttle program?

What plant when ingested (in small quantities) can make the oil of your skin poisonous?

Who played the role of Jade in the 2009 movie "The Hangover"?

What was the home US state of Alan Alda's characters in both "M*A*S*H" and "The Aviator"?

What was the nickname of Gene Hackman's character in The French Connection?

In The Simpsons, which character died by getting hit with T-shirts?

What film starred Rosie O'Donnell, Rita Wilson and Meg Ryan?

Boise is the capital of which US state?

What is Ethiopia's official language?