22816 Hippocampus trimaculatus Leach, 1814 Syngnathidae Pipefishes and seahorses Syngnathinae Syngnathiformes Teleostei Longnose seahorse Indo-West Pacific: India to Tahiti; north to Japan, south to Indonesia. AMNH 5062 Hippocampus trimaculatus FW O1377-T Hippocampus trimaculatus GCRL 16455 1971 Hippocampus planifrons