Top 10 Largest Seahorses 

Short-snouted Seahorse: each capable of growing up to 15 cm long. The short-snouted seahorse lives in a preferred habitat of shallow muddy waters, estuaries, or seagrass beds.

Flat-faced Seahorse:This species is found primarily in shallow seas around Australia and Asia. Living up to its name, the flat-faced seahorse (Hippocampus trimaculatus) is typically flat.

Great Seahorse:Squeezing in at number three on our list is the great seahorse . The great seahorse is difficult to identify because it shares a lot of characteristics with other species.

Big-belly Seahorse:is the largest seahorse in the world and can grow to more than a foot in length. Not only are they the longest measured seahorse variety, but the big-belly is also a relatively .

Pacific Seahorse :The silver medal for longest seahorse goes to two species, the Pacific seahorse and yellow seahorse . True to its name, the pacific seahorse is the only seahorse to be found .

 Lined Seahorse:Living along the western Atlantic Ocean from Canada all the way down to Mexico and Venezuela, the lined seahorse (Hippocampus erectus) is the only variety to have been found .

Slender Seahorse:has been found at a variety of ocean depths up to 55 meters below the surface of the water. They are native to many countries, including the US, China, Bahamas, Belize, Bermuda.

Tiger Tail Seahorse:Taking the number seven spot on our list, tiger tail seahorses (Hippocampus comes) can grow to nearly 19 cm and are found in Malaysia, Singapore, Thailand, Vietnam.

Long-snouted Seahorse: lives in coastal waters between 1-20 meters deep. They are found in the Northeast Atlantic Ocean and the Mediterranean Sea.

Spiny Seahorse:is relatively rare but widespread throughout the Indo-Pacific region. They have been reported in Australia, Indonesia, Papua New Guinea, New Caledonia, and Japan. 

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