Half-Spined Seahorse, Captive-Bred (Hippocampus semispinosus)

Fish in the family Syngnathidae. Moderate care. Reef Safe.

Half-Spined Seahorse, Captive-Bred

Quick facts

Scientific nameHippocampus semispinosus
FamilySyngnathidae
Care levelModerate
Reef safetyReef Safe
TemperamentPeaceful
Dietcarnivore
Adult size5.5 in
Minimum tank size20 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding scheduleFeed 2-3 times daily

Appearance

A small seahorse reaching about 5.5 inches, with a moderately spined body that distinguishes it from fully-spined species. Coloration is highly variable, ranging from yellow, orange, and brown to white, often with banding or mottling patterns that provide camouflage among seagrass and algae.

Difficulty and care for the Half-Spined Seahorse, Captive-Bred

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Origin and habitat

Indo-Pacific region, including waters around Indonesia, Philippines, and surrounding areas.

Log Half-Spined Seahorse, Captive-Bred 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 Half-Spined Seahorse, Captive-Bred alongside everything else in your reef.