Shiho's seahorse or Sindo's Seahorse,[1]painted seahorse (Hippocampus sindonis) is a species of fish in the family Syngnathidae. It is endemic to the Pacific coastal waters of Japan (from Wakayama pref. to Chiba pref.).[3] This species reaches a length of ca. 8 cm.[4] It was listed by the IUCN Red List as Vulnerable in 1996 and Data Deficient in 2003, but was later reclassified as Least Concern.[1] The specific name honours Michitaro Sindo, who was originally from Yamaguchi and who was assistant curator of fishes at Stanford University.[5]
Hippocampus sindonis, conventional and X-ray images of holotype
