Shiho's seahorse (Hippocampus sindonis) is a species of fish in the Syngnathidae family. It is endemic to the coastal waters of Japan, with an individual sighting reported in South Korea in 2013. This species reaches a length of ca. 8 cm. It was listed by the IUCN Red List as Vulnerable in 1996 and Data Deficient in 2003, but was later reclassified as Least Concern.
^ abFritzsche, R., Matsuura, K., Collette, B., Nelson, J., Dooley, J., Carpenter, K., Bartnik, S., Robinson, E., Morgan, S.K. & Sorensen, M. (2010). Hippocampus sindonis. The IUCN Red List of Threatened Species doi:10.2305/IUCN.UK.2010-4.RLTS.T10083A3161007.en