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White's Seahorse (Hippocampus whitei)

Find White's Seahorse across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified fish listings before you buy.

White's Seahorse
Photo: Sylke Rohrlach from Sydney · CC BY-SA 2.0
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Where to buy White's Seahorse

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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  • Petco

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About White's Seahorse

White's Seahorse is a medium-sized seahorse with a distinctive head shape and prehensile tail. The body coloration ranges from pale white to cream with darker markings, and adults typically display prominent bony plates and tubercles along the body. Unlike fish, seahorses have a horse-like head, upright posture, and fused gill covers.

Key facts

Common Health Issues
Gas bubble disease, pouch infection (males), fin rot, weight loss, inability to feed in high-flow systems
Origin
Eastern Australia, primarily along the coast of New South Wales from Sydney to southern Queensland, in seagrass beds and coastal waters at depths up to 40 meters.
Min tank size
60 gallons
Family
Syngnathidae
Water Parameters
Temperature: 68-77°F pH: 8.1-8.3 Salinity: 1.023-1.025
Feeding Schedule
2-3 times daily
Max Size
9
Appearance
White's Seahorse is a medium-sized seahorse with a distinctive head shape and prehensile tail. The body coloration ranges from pale white to cream with darker markings, and adults typically display prominent bony plates and tubercles along the body. Unlike fish, seahorses have a horse-like head, upright posture, and fused gill covers.
Difficulty Level
White's Seahorse requires expert-level care. Specialized water parameters, live food availability, a calm environment, and careful tankmate selection make this species suitable only for experienced aquarists with dedicated seahorse-keeping experience.
Diet Details
Feed small live foods such as copepods, amphipods, artemia (seahorse-sized), and mysis shrimp 2-3 times daily. Seahorses have small mouths and slow feeding rates; provide food in proximity to their location rather than relying on open-water foraging.
Reef safety
Reef Safe with Caution
Care Requirements
• Minimum 60-gallon tank recommended for a pair • Water params: 72-78°F, pH 8.1-8.3, 1.023-1.025 sg • Low-flow areas (< 8 in/s), live macroalgae anchor points • Feed mysis shrimp 2-3x daily; requires calm, dedicated setup • Pair-bonding species; avoid aggressive/large tank mates

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

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