• Zoom Sharks - A quick and dirty (but good) discussion of the function of dermal denticles
• Ask A Scientist - The author of this page dodges a direct question concerning the functionality of dermal denticles
• Wound Healing in Sharks - A partially relevant page of an excellent shark web site
• Shark Glossary - A good place to get a quick definition. Especially see Dermal Denticles and Shagreen

• Chan Ching - An excellent discussion of longitudinal grooves and their implications for the transportation industry
• Spedo's New Swimsuit - They made a splash in Sydney, now get it from the horse's mouth
• A Glossary Definition of Drag - Just for clarification
• News Flash - Not really, just a summary of the Gupta et al. 1996 paper
• Shagreen - Because you probably don't know what this means
• Sharkskin Planes - Just a blurb on the Airbus 340

• Shark Myths - Worth your time

Free art

• Art Today - Where I got nearly all of my clip art and backgrounds
• Animation Factory - Not a ton of free stuff, but it's all pretty cool
• Fiona's Shark Page - Good shark page with free shark art