What name is given to the shellfish that cling to the bottom of ships?

More Questions:

Since 1995 which state has led the U.S. in milk production?

What was the original name of the game Pac-Man prior to its release?

What do sisters Elinor and Marianne Dashwood represent in the title of a Jane Austen novel?

Who composed "Peter and the Wolf"?

Which two countries border the Dead Sea?

Which European country replaced the Drachma with the Euro?

The Hawaiian landmark known as "Diamond Head" was formed from what?

A male with more than two testicles is said to suffer from what disorder?

What is the heaviest chemical element on the periodic table that has a one-letter abbreviation?

What are the only 100% guarantees of safety in the TV show "Big Brother"?

Who was the winner of the first season of the reality TV show "Survivor"?

What 1970 movie revolves around a cat named Duchess, her three kittens, and an evil butler named Edgar?

The Emmy Awards honor excellence in what industry?

What Tennessee university was the first college to field a men's basketball team, in 1893?

Whose execution caused the famed Spanish Armada to sail against England?