200 dive sites in 30 countries have records of mantis shrimp.
34 confirmed by two or more independent sources, 166 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 74 mantis shrimp sites in IndonesiaDive sites in Indonesia
All 41 mantis shrimp sites in PhilippinesDive sites in Philippines
All 18 mantis shrimp sites in ThailandDive sites in Thailand