Dwarf Seahorse (Hippocampus zosterae)
Fish in the family Syngnathidae. Expert care. Reef Safe.
Quick facts
Appearance
The Dwarf Seahorse is the world's smallest seahorse, rarely exceeding 1.5 inches in length. It features a tiny prehensile tail, upright posture characteristic of seahorses, and a coronet (crown-like structure) on its head. Coloration is highly variable, ranging from yellow and green to brown and black, often matching local seagrass and algae habitats.
Diet and feeding
Dwarf Seahorses feed on copepods, amphipods, and other small live zooplankton. In captivity, they require frequent feedings of copepod cultures or specialized liquid fry foods, as they have small mouths and cannot compete for standard aquarium foods. Regular supplementation with live cultures is essential for long-term survival.
Difficulty and care for the Dwarf Seahorse
Dwarf Seahorses are challenging to keep and best suited for experienced aquarists. They require pristine water quality, stable temperatures (72–78°F), frequent live food availability, and gentle tankmates with no aggressive competition for food. They do not ship well and have modest survival rates in typical home aquaria.
Common health issues
Starvation, nutritional deficiencies, gas bubble disease, bacterial infections, poor water quality
Origin and habitat
Western Atlantic, primarily found in seagrass beds of the Gulf of Mexico and along the coasts of Florida and Texas. Also reported from the Caribbean region and Bahamas in shallow seagrass and mangrove habitats.
Log Dwarf Seahorse in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Dwarf Seahorse alongside everything else in your reef.
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