X-radiographs of Hippocampus specimens. A H. haemaPKU 9641 (holotype) B H. haemaNIBR-P 5412 (paratype) C H. coronatusFAKU 137348 D H. sindonisFAKU 137340 E H. sindonisUSNM 49730 (holotype) F H. mohnikeiFAKU 135643. a' indicates the anterior coronet spine; 5' indicates the posterior coronet spine (the 5th tip on the corona); the first (1) and last (10 or 11) trunk rings are marked.

  Part of: Han S-Y, Kim J-K, Kai Y, Senou H (2017) Seahorses of the Hippocampus coronatus complex: taxonomic revision, and description of Hippocampus haema, a new species from Korea and Japan (Teleostei, Syngnathidae). ZooKeys 712: 113-139. https://doi.org/10.3897/zookeys.712.14955