PBS
Pbs Learning Media: Seahorse Basics
This diagram from the NOVA: "Kingdom of the Seahorse" Web site reveals some of the more remarkable traits of this enigmatic creature.
Other
Fishbase: Hippocampus Coronatus (Crowned Seahorse)
Pictures, information; everything you should need on the crowned seahorse is provided on this page.
Sea World Parks & Entertainment
Sea World and Busch Gardens Animal Bytes: Seahorse
Discover how many kinds of seahorses exist, how they are born, and how they survive in the world's oceans and seas.