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Beyond the Card

The Morning Dance

Long-snouted seahorse

No. 1 / 12

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Scientific name

Hippocampus guttulatus

Range

Eastern Atlantic & Mediterranean Sea

Hatched area marks the species’ current range.

Size

Up to 15 cm

Habitat

Seagrass meadows & algae beds, shallow coastal waters

Diet

Small crustaceans, plankton and fish larvae, hunted by suction feeding

Lifespan

Around 3–5 years in the wild

IUCN status

Least Concern — widespread and abundant, no major cause for concern.

Near Threatened — close to qualifying as threatened in the near future.

Vulnerable — facing a high risk of extinction in the wild.

Endangered — facing a very high risk of extinction in the wild.

Critically Endangered — facing an extremely high risk of extinction in the wild.

NTNear Threatened Official assessment →

The Rest of the Story

Every Morning, They Meet Again

You already know how it starts: every morning, they meet again in the seagrass. They brighten in colour, twirl together and entwine their tails, the same greeting repeated daily, for as long as the pair stays together.

But the dance is more than affection. It keeps the bond alive and quietly synchronises their reproductive cycles, so that when the moment comes, both partners are ready.

And then, he gets pregnant.

After mating, the female transfers her eggs into the male’s brood pouch. He fertilises them there and carries the developing young for several weeks, until he gives birth to fully-formed miniature seahorses.

During this time, the male provides oxygen, removes waste and regulates the conditions inside his pouch.

Long-snouted seahorse in its habitat

A long-snouted seahorse in its natural seagrass habitat, off the coast of Malta.

Photo: prilfish (CC BY 2.0)

Protecting the Wild

On the Ground

Three projects working to keep long-snouted seahorses in the sea.

Barcelona, Spain

Anèl·lides — Save the Sea Horses

Rescues seahorses caught in artisanal fishing nets around Barcelona, nurses them at the city's aquarium, and returns them to protected reintroduction sites along the coast.

Rescue · Rehabilitation · Release

Visit project

Valencian Community, Spain

Ambiens — Seahorse Project

Surveys long-snouted seahorse populations across Posidonia meadows along Spain's Mediterranean coast, training citizen divers to record sightings and protect key habitats.

Monitoring · Citizen Science · Habitat Protection

Visit project

Mar Menor, Spain

Asociación Hippocampus

Monitors the last wild seahorse population of the Mar Menor lagoon in Spain and works with local fishers and authorities to secure its long-term protection.

Monitoring · Awareness · Conservation

Visit project

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