The Pacific seahorse is the only seahorse species found in the eastern Pacific Ocean.
Adult pacific seahorses range in size from 12 to 19 cm in height, with a maximum known size of 30 cm.
Seahorses are particularly susceptible to over-harvesting.Hippocampus was included in appendix II of CITES.
Hippocampus ecuadorensis Fowler, 1922
Hippocampus gracilis Gill, 1862
Hippocampus hildebrandi Ginsburg, 1933