Hippocampus tyro is a seahorse, a fish in the family Syngnathidae. The species is only known from a single specimen caught off of the coast of the Seychelles at a depth of between 43 and 48mRandall, J. E., & Lourie, S. A. (2009). Hippocampus tyro, a new seahorse (Gasterosteiformes: Syngnathidae) from the Seychelles. Smithiana Publications in Aquatic Biodiversity, 10, 19-21. and another photographed near the coast of Sainte-Rose, Réunion.

The hippocampus tyro is unlike other seahorses of its class, because it has 14 trunk rings where as others have a range of 8-13.

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