Patagonian Seahorse
Hippocampus patagonicus
- Vulnerable
- Card rarity: Rare
- Fish

The Patagonian seahorse is a species of marine fish of the family Syngnathidae. It inhabits coastal waters from northeastern Brazil to Chubut, Argentina. It generally is found at shallow depths attached to natural or artificial substrates. This species is ovoviviparous, with males brooding eggs in a brood pouch before giving birth to live young.
Classification
- Class
- Actinopterygii
- Order
- Syngnathiformes
- Family
- Syngnathidae
- Genus
- Hippocampus