Overview
The Pot-Bellied Seahorse (Hippocampus abdominalis) is a advanced saltwater species known for its brown-yellow, large belly coloration. Largest seahorse species. Mid.
Origin & Appearance
Origin: Australia/New Zealand.
Colors: Brown-Yellow, Large belly.
Body Shape: Seahorse (upright). Typical adult dimensions: 14.0 x 5.2 x 35.0.
Sexual Dimorphism: Moderate; males have brood pouch.
Tank & Water Requirements
| Min Tank Size | 53 gallons |
| Temperature | 64–73°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | medium |
| Plant Safe | mostly |
| Aquarium Position | Mid |
Behavior & Activity
Largest upright swimmer; slow dorsal fin propulsion; strong prehensile tail grip; poor swimmer but impressive size
Speed: 10/100Aggression: 1/10diurnalSchooling (6+)
Breeding
Moderate; male carries eggs in pouch
Common Diseases
💊 Bacterial💊 vibrio💊 gas bubble disease💊 fragile
Expert Notes
Largest seahorse species; cold-water