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Yellow Seahorse (Hippocampus kuda)

Find Yellow 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.

Yellow Seahorse
Photo: Emőke Dénes · CC BY-SA 4.0
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Where to buy Yellow 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 Yellow Seahorse

Hippocampus kuda is a small seahorse with a distinctive prehensile tail and an upright posture. The body is typically yellow to golden in color, though it may display pale orange or brown hues depending on mood and environment. A bony, segmented body with a prominent head bent at right angles to the trunk, paired fin-like appendages, and a crown-like coronet distinguish this syngnathid.

Key facts

Diet
carnivore
Max Size
7
Diet Details
Feed exclusively on small crustaceans, primarily live or high-quality frozen mysid shrimp. Seahorses are slow feeders and require frequent small meals (2–3 times daily) due to their simple digestive system and high metabolic demands.
Common Health Issues
Poor feeding, bacterial infection, parasites, gas bubble disease, wasting syndrome
Origin
Indo-Pacific region from East Africa and the Red Sea eastward to Japan and Australia, including coral reef and seagrass habitats throughout Southeast Asia.
Care Level
Expert
Family
Syngnathidae
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding Schedule
2-3 times daily
Difficulty Level
Advanced - Requires experienced care due to sensitive nature specific habitat needs or complex dietary requirements. Best for expert aquarists.
Care Requirements
• Minimum 20 gallon tank with gentle water flow and abundant seagrass or artificial holdfast structures • Temperature range 72–78 °F; maintain stable conditions as seahorses are sensitive to fluctuations • Salinity 1.020–1.025 specific gravity; pH 8.1–8.3 • Feed 2–3 times daily with live mysid shrimp or frozen mysis; seahorses are poor competitors and require ample food availability • Keep in pairs or groups only in well-established systems; avoid aggressive tank mates and strong water flow that impairs feeding
Min tank size
20 gallons

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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