Conservation Investigation: Seahorses
- Provides guided research into their conservation in the Philippines, and their biology including videos of various species and their behaviour.
- http://www.sheddaquarium.org/sea/interactive_module.cfm?id=11

Kingdom of the Seahorse
- Includes an interview with a seahorse biologist, basic facts and a photograph gallery of different species.
- http://www.pbs.org/wgbh/nova/seahorse/

Seahorses
- Provides a short description of seahorses and includes information about the characteristics, behavior, ecology, habitat, range, and biology. Also includes photos and illustrations.
- http://www.starfish.ch/reef/seahorse.html