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Longsnout Seahorse (Hippocampus reidi)

Find Longsnout 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.

Longsnout Seahorse
Photo: FakirNL · CC BY-SA 4.0
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Where to buy Longsnout Seahorse

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

  • Saltwaterfish

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  • Amazon

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  • Petco

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About Longsnout Seahorse

Hippocampus reidi is a small seahorse with an elongated, curved body and a distinctly long, slender snout. Coloration varies from yellow, orange, red, or brown, often with banded patterns. They have a prehensile tail and a pronounced coronet (crown-like structure) on the head.

Key facts

Feeding Schedule
3-4 times daily
Max Size
7
Appearance
Hippocampus reidi is a small seahorse with an elongated, curved body and a distinctly long, slender snout. Coloration varies from yellow, orange, red, or brown, often with banded patterns. They have a prehensile tail and a pronounced coronet (crown-like structure) on the head.
Min tank size
20 gallons
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Family
Syngnathidae
Aka
Caballito Hocico Largo
Common Health Issues
Starvation (live food availability), water quality stress, bacterial infections, gas bubble disease, pouch infections (in males)
Origin
Western Atlantic, from North Carolina to the Gulf of Mexico, Caribbean Sea, and south to Brazil. Found in seagrass beds, mangroves, and shallow coastal waters.
Care Level
Hard
Diet
planktivore
Care Requirements
• Tank size: 20+ gallons for a pair; slow-moving, calm environment required • Water params: 72-78°F, pH 8.1-8.3, salinity 1.020-1.025, low-flow areas • Feeding: Daily small portions of frozen mysis shrimp, copepods, live foods preferred • Setup: Plenty of seagrass, mangrove roots, or artificial anchoring points; low light • Compatibility: Keep singly or bonded pairs; avoid aggressive/boisterous tankmates

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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