Fauna
Species

Pacific Seahorse

Hippocampus ingens

Also known as Giant Seahorse, Galapagos Seahorse

Pacific seahorses are the largest of their kind, blending seamlessly into kelp forests and rocky reefs along the Pacific coast using color-changing camouflage. These remarkable fish anchor themselves to marine vegetation with prehensile tails, waiting to ambush tiny passing crustaceans with their straw-like snouts. Like other syngnathids, males carry the developing eggs in a specialized brood pouch, giving birth to fully formed miniature offspring.

CamouflagedMarine
Pacific Seahorse reference1 / 7
Robert Scoble / CC BY 2.0 · CC BY 2.0
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VulnerableConservation statusIUCN Red List categoriesLCNTVUENCREWEXVulnerableRed List categories, explained →
Key facts
Diet & preyMysid shrimp, Copepods, Larval fish
Predators
  • Rays
  • Snappers
  • Crabs
ThreatsBycatch in shrimp trawls, habitat degradation, and targeted harvesting for traditional medicine and the aquarium trade
HabitatsKelp forests, coral reefs, rocky reefs, and sandy bottoms up to 30 meters deep
Life span3 to 5 years
Classification
  1. FamilySyngnathidae
  2. SpeciesHippocampus ingens
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
What to notice
Recognizable by their large size, up to 30 centimeters, and a crown-like coronet on top of their head.
Support conservation
Never touch, capture, or disturb wild seahorses; observe them quietly from a respectful distance.
Responsible observation
  • Look closely: Search among kelp holdfasts, gorgonians, and black corals where they anchor themselves.
  • Maintain distance: Avoid touching or crowding them, as stress can disrupt their delicate feeding and mating behaviors.
  • Use ambient light: Avoid using strong flash photography, which can startle and disorient these sensitive fish.
Related species
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