Bruce Collette is a research associate with the Smithsonian National Museum of Natural History and the chair of the Tuna and Billfish Specialist Group of the International Union for the Conservation of Nature. He is the coauthor of several books, including Fishes: The Animal Answer Guide. John Graves is the Chancellor Professor of Marine Science at the Virginia Institute of Marine Science. Val Kells is a widely recognized marine science illustrator. She is a coauthor and illustrator of A Field Guide to Coastal Fishes: From Maine to Texas and A Field Guide to Coastal Fishes: From Alaska to California and illustrator of Field Guide to Freshwater Fishes of Virginia.