Dhiho's seahorse (Hippocampus sindonis)

Scientific name: Hippocampus sindonis Jordan & Snyder, 1901

The Dhiho's seahorse (Hippocampus sindonis) is a marine fish of the family Syngnathidae. Native range: Northwest Pacific, southern Japan and the southern Korean Peninsula. International trade is monitored through a licensing system (CITES II, since 5.15.04).

Biology

Length type refers to height (= TL - head length). Ovoviviparous. The male carries the eggs in a brood pouch which is found under the tail.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Hippocampus sindonis
Family: Syngnathidae (Pipefishes and seahorses)
Order: Syngnathiformes (Pipefishes and Seahorses)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 8.0
Environment: Marine; demersal; non-migratory
Climate: Subtropical
Distribution: Northwest Pacific: southern Japan and the southern Korean Peninsula. International trade is monitored through a licensing system (CITES II, since 5.15.04).
Conservation status (IUCN): Least Concern (LC)
Threat to humans: Harmless
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated 27 September 2026