96 dive sites in 4 countries have records of pygmy seahorses.
4 confirmed by two or more independent sources, 92 reported by one source.
Sites are ranked by evidence: first by how many independent divers logged the animal there, then by how many independent sources confirm it. "Best" here means most independently confirmed, nothing more.
All 50 pygmy seahorse sites in IndonesiaDive sites in Indonesia
All 44 pygmy seahorse sites in PhilippinesDive sites in Philippines