5954 Hippocampus histrix Kaup, 1856 Syngnathidae Pipefishes and seahorses Syngnathinae Syngnathiformes Teleostei Thorny seahorse Indo-Pacific: South Africa to French Polynesia; north to Japan, south to Australia. Not in the Red Sea. AMNH 18400 1941 Hippocampus histrix GCRL 16447 1978 Hippocampus histrix GCRL 16869 1979 Hippocampus histrix GCRL 17495 1980 Hippocampus histrix