useless trivia: What Word Means: A Tropical Fish?

Questions

Games In which sport or game is the term "rook" used?

Games Name the only flexible murder weapon in the game of "Cluedo".?

Games Name the only woman suspect in the game of "Cluedo" who isn't married.?

Games These are the two highest valued letters in "Scrabble". "Q" and ?

Games This ancient Chinese game is played with 156 small rectangular tiles.?