There are over 30 Hippocampus seahorses species found in tropical, subtropical and temperate waters but there are only several that are sold in the aquarium fish trade. Among the most common species are the smooth seahorse (H. kuda) and the lined seahorse (H. erectus), according to Stan and Debbie Hauter, writing for The Spruce.
The seahorse got its name from the ancient Greek words hippos (horse) and kampos (sea monster). The seahorse is one of the strangest-looking creatures found in the sea with a head and neck that gives it the distinction of looking like a horse, a bony armored body, and a curled prehensile tail. Its body has an exoskeleton instead of scales, making it more prone to injuries and infections than most other fish species. Its gills are also less developed than other fishes and are less efficient in exchanging gas. …show more content…
Another important thing that potential owners should remember is that seahorses are saltwater fishes and require a saltwater aquarium to survive in captivity. They are also expensive to maintain, with a single seahorse fetching US$60 from online vendors. Overnight shipping is needed so they will arrive in good health, and can cost up to US$80, depending on the destination. The saltwater aquarium and the associated equipment and accessories cost anywhere from US$500 to