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Hippocampus ingens. The Ingen’s Seahorse is one of the largest of the seahorse species. In the wild they spend most of their time hunting for tiny crustaceans to consume while using slow movements and camouflage to mimic their surroundings and appear invisible to predators. The Ingen’s Seahorse can be reddish to maroon, gray, yellow and gold with various shades of brown they may also have fine white markings which may run vertically down their body.