Seahorses are found off six continents and many parts of the world’s ocean, as this list shows: Western Atlantic – from Nova Scotia in Canada to Patagonia in Argentina, and throughout the Caribbean Sea Eastern Atlantic – from the UK to Angola, and throughout the Mediterranean Sea Indian Ocean – from South Africa to Australia, throughout the Middle East, South Asia and Southeast Asia Western Pacific – from South Korea to New Zealand and Tasmania in Australia, and some Pacific islands Eastern Pacific – from southern California in the USA to Chile