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Denise's Pygmy Seahorse (Hippocampus denise)

Find Denise's Pygmy Seahorse across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Denise's Pygmy Seahorse
Photo: Paul Kli · CC BY-SA 2.0
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Where to buy Denise's Pygmy 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 Denise's Pygmy Seahorse

One of the smallest seahorse species, reaching only 1.5 inches (3.8 cm) in length. Body color varies from yellow to pale pink or cream, often with faint darker bands or spots. The body is slender with a prehensile tail, crown-like dorsal fin, and elaborate appendages (cirri) covering the body for camouflage among seagrass and soft corals.

Key facts

Common Health Issues
Marine ich, Fin Rot, Swim Bladder Disorder, Hole-in-the-Head, Columnaris Disease
Origin
Indo-Pacific region, from Indonesia and the Philippines to the Great Barrier Reef and the Coral Triangle, typically found in coastal reefs at depths of 5–40 meters.
Family
Syngnathidae
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Min tank size
20 gallons
Appearance
One of the smallest seahorse species, reaching only 1.5 inches (3.8 cm) in length. Body color varies from yellow to pale pink or cream, often with faint darker bands or spots. The body is slender with a prehensile tail, crown-like dorsal fin, and elaborate appendages (cirri) covering the body for camouflage among seagrass and soft corals.
Feeding Schedule
3-4 times daily
Max Size
1.5
Difficulty Level
Denise's Pygmy Seahorses are extremely challenging for most hobbyists due to their tiny size, specific dietary needs (constant availability of copepods), sensitivity to strong water movement, and specialized tank requirements. They require an expert-level setup and are best maintained by experienced aquarists with dedicated copepod cultures.
Reef safety
Reef Safe
Diet Details
Feed small live prey primarily: copepods, amphipods, and other zooplankton. In captivity, accept enriched frozen copepods and specialized seahorse food. Require frequent small feedings (3–4 times daily) of high-quality, tiny food items to maintain health.
Temperament
Peaceful

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log fish, keep tank parameters organized, and maintain a complete livestock history. Log this fish on Reef Trak.

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