
Wrasse, Anthias, and Other Marine Fish
Dwarf Seahorse
Hippocampus zosterae
Photo: Stickpen · Public domain · Wikimedia Commons
Key facts
- Temperature22–26 °C
- pH8.1–8.4
- Minimum tank20 l
- Adult size2.5 cm
- Difficulty★★★★☆
- TemperamentPeaceful
- WaterMarine
- Reef safeWith caution
Full profile
- Family
- Syngnathidae
- Origin
- Florida, Bahamas and Gulf of Mexico
- Size
- 2.5 cm
- Temperature
- 22 – 26°C
- pH
- 8.1 – 8.4
- Salinity
- 1.020 – 1.025
- Difficulty
- ★★★★☆
- Water type
- marine
- Swimming level
- middle (clinging)
- Behavior
- peaceful
- Minimum number of individuals
- group
- Minimum aquarium size
- 20 L
- Diet
- carnivorous (freshly hatched brine shrimp daily)
- Reproduction
- ovoviviparous
- Reef Safe
- ⚠️ with caution (species tank only)
Notes: One of the smallest seahorses in the world. It needs live brine shrimp every day and should not be kept with any tank mates that might bother it.





