Shane Gross / Thorny or spiny seahorse (Hippocampus histrix) portrait made off Anilao, Philippines.
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Alex Mustard / Hedgehog seahorse (Hippocampus spinosissimus) female moves over a sandy seabed. Dauin, Negros Island, Philippines. Bohol Sea, tropical west Pacific Ocean.
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Pascal Kobeh / Long-snouted seahorse (Hippocampus guttulatus) with prehensile tail twined round seagrass, Etang de Thau Lagoons, Languedoc-Roussillon, France.
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Nuno Sa / Long snouted seahorse (Hippocampus guttulatus) in captive breeding laboratory at University of Algarve, Portugal. June 2010. Overall winner of the Underwater Photographer of the Year competition 2015.
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Dan Burton / Spiny / Yellow Seahorse (Hippocampus guttulatus). Studland Bay, Dorset, UK, September.
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Alex Mustard / 2020VISION / Yellow / spiny seahorse (Hippocampus guttulatus) female sheltering is meadow of common Eelgrass (Zostera marina) Studland Bay, Dorset, UK, August. Did you know? The two species of seahorse found in Br...
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Alex Mustard / 2020VISION / A captive Yellow / Spiny seahorse (Hippocampus guttulatus) attached to plastic seagrass, Weymouth Sealife Centre, Dorset, England, UK.
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Alex Mustard / A young Spiny / Longsnouted / Yellow Seahorse (Hippocampus guttulatus), aquarium image. This seahorse is part of a UK seahorse breeding program. Photographed at the SEALIFE quarantine and breeding fac...
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Alex Mustard / A young Spiny / Yellow / Longsnouted Seahorse (Hippocampus guttulatus), in an aquarium attached to plastic seagrass leaves. This seahorse is part of a UK seahorse breeding program. Photographed at the...
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Alex Mustard / A female Spiny Seahorse (Hippocampus guttulatus) in weeds. Sardina, Gran Canaria, Canary Islands, East Atlantic Ocean, October.
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Alex Mustard / A male Spiny Seahorse (Hippocampus guttulatus) hides in seagrass. Etang De Thau (Thau Lagoon), Montpellier, France, Europe, September.
Alex Mustard / Spiny seahorse (Hippocampus guttulatus) female in a meadow of seagrass. (Zostera marina) Studland Bay, Dorset, England, UK. English Channel.
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Franco Banfi / Thorny / Spiny seahorse (Hippocampus histrix) portrait, Dumaguete, East Negros Island, Central Visayas, Philippines, Pacific Ocean.
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Franco Banfi / Thorny / Spiny seahorse (Hippocampus histrix) portrait, Dumaguete, East Negros Island, Central Visayas, Philippines, Pacific Ocean.
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Alex Mustard / Long snouted seahorse (Hippocampus guttulatus) hiding in seagrass (Posidonia oceanica). Capo Galera, Alghero, Sardinia, Italy. Mediterranean Sea.
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Alex Mustard / RF - Long-snouted seahorse (Hippocampus guttulatus) female using its prehensile tail to hold on to a blade of seagrass (Posidonia oceanica). Capo Galera, Alghero, Sardinia, Italy. Mediterranean Sea. (...
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Pascal Kobeh / Close-up of the head of a long-snouted seahorse (Hippocampus guttulatus) looking for small preys in the sand, Etang de Thau Lagoons, Languedoc-Roussillon, France. Mediterranean Sea.
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Pascal Kobeh / Yellow long-snouted seahorse (Hippocampus ramulosus / guttulatus), Gozo Island, Malta. Mediterranean Sea.
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Alex Mustard / RF- Female Yellow seahorse (Hippocampus guttulatus), Capo Galera, Alghero, Sardinia, Italy, Mediterranean Sea. (This image may be licensed either as rights managed or royalty free.)
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Dan Burton / Neil Garrick-Maidment from the Seahorse Trust tagging a Spiny / Yellow Seahorse (Hippocampus guttulatus). Studland Bay, Dorset, UK, September 2011.
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Dan Burton / Spiny / Yellow Seahorse (Hippocampus guttulatus). Studland Bay, Dorset, UK, September.
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Dan Burton / Neil Garrick-Maidment from the Seahorse Trust tagging a Spiny / Yellow Seahorse (Hippocampus guttulatus). Studland Bay, Dorset, UK, September 2011.
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Alex Mustard / 2020VISION / Researcher holding a Yellow / Spiny seahorse (Hippocampus guttulatus), Studland Bay, Dorset, UK, August. Model released
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Alex Mustard / 2020VISION / An adult female captive Yellow / Spiny seahorse (Hippocampus guttulatus) being handled by keeper, Weymouth Sealife Centre, Dorset, England, UK.
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Jeff Rotman / Spiny / thorny sea horses (Hippocampus hystrix) attached to eel grass, East Australia, Pacific Ocean.
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Juergen Freund / RF- Thorny seahorse (Hippocampus hystrix) gripping a sponge with its tail. Lembeh Strait, North Sulawesi, Indonesia. (This image may be licensed either as rights managed or royalty free.)
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Alex Mustard / A male Spiny / Longsnouted / Yellow Seahorse (Hippocampus guttulatus), aquarium image. This seahorse is part of a UK seahorse breeding program. Photographed at the SEALIFE quarantine and breeding faci...
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Alex Mustard / A female Spiny / Longsnouted / Yellow Seahorse (Hippocampus guttulatus), aquarium image. This seahorse is part of a UK seahorse breeding program. Photographed at the SEALIFE quarantine and breeding fa...
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Alex Mustard / An adult female Spiny Seahorse (Hippocampus guttulatus) in a meadow of seagrass (Zostera marina). Studland Bay, Dorset, England, UK, August. Photographed under licence from Marine Management Organisat...
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Alex Mustard / A female Spiny Seahorse (Hippocampus guttulatus). Sardina, Gran Canaria, Canary Islands, Spain, October.
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Alex Mustard / An adult female Spiny Seahorse (Hippocampus guttulatus) in a meadow of seagrass (Zostera marina). Studland Bay, Dorset, England, UK, August. Photographed under licence from Marine Management Organisat...
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Alex Mustard / A Spiny Seahorse (Hippocampus guttulatus) in a mussel bed (Mytilus edulis). Thau Lagoon, Montpellier, France, September.
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Alex Mustard / A female Spiny Seahorse (Hippocampus guttulatus) in a seagrass meadow. Thau Lagoon, Montpellier, France, Europe, September.
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Fred Bavendam / Red Spiny Seahorse (Hippocampus moluccensis) male clinging to seaweed, Lembeh Strait, Indonesia
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Fred Bavendam / Thorny Seahorse (Hippocampus histrix), Ambon, Indonesia
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Chris Newbert / Thorny Seahorse (Hippocampus histrix) and Feather Duster Worm (Sabellastarte indica), Indonesia
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Chris Newbert / Thorny Seahorse (Hippocampus histrix), Indonesia
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Chris Newbert / Thorny Seahorse (Hippocampus histrix), Indonesia
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Jeff Rotman / Spiny Sea Horse (Hippocampus histrix) swimming at night. West Australia, Indian Ocean.
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Chris Newbert / Seahorse (Hippocampus sp) 50 feet deep, Papua New Guinea
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Chris Newbert / Seahorse (Hippocampus sp) 60 feet deep, Papua New Guinea
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Doug Perrine / Thorny / Spiny seahorse {Hippocampus histrix} Malaysia
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Birgitte Wilms / Seahorse (Hippocampus sp) on Soft Coral (Dendronephthya sp), Papua New Guinea
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Fred Bavendam / Thorny Seahorse (Hippocampus histrix) male whose brood pouch is swollen with developing eggs, Lembeh Strait, Indonesia
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Fred Bavendam / Thorny Seahorse (Hippocampus histrix) clinging to branch of a sponge, Lembeh Strait, Indonesia
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Fred Bavendam / Thorny Seahorse (Hippocampus histrix) male whose brood pouch is swollen with developing eggs, Lembeh Strait, Indonesia
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Fred Bavendam / Thorny Seahorse (Hippocampus histrix) portrait, Lembeh Strait, Indonesia
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Gary Bell/ Oceanwide / Thorny Seahorse (Hippocampus histrix), Great Barrier Reef, Australia
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Gary Bell/ Oceanwide / Thorny Seahorse (Hippocampus histrix), Great Barrier Reef, Australia
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Gary Bell/ Oceanwide / Thorny Seahorse (Hippocampus histrix), Great Barrier Reef, Australia
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Norbert Wu / Thorny Seahorse (Hippocampus histrix) pair, Ambon, Indonesia
Franco Banfi / Long-snouted seahorse / Spiny seahorse (Hippocampus guttulatus) camouflaged on a White seafan (Eunicella singularis), Marine Protected area Punta Campanella, Costa Amalfitana, Italy, Tyrrhenian Sea.
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Georgette Douwma / Tropical reef fish composite image on black background, Devilfish (Inimicus didactylus), Star puffer (Arothron stellatus), Striped surgeonfish (Acanthurus lineatus), Seahorse (Hippocampus sp.), Leaffi...
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Magnus Lundgren / Spiny seahorse (Hippocampus histrix) Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean
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Magnus Lundgren / Spiny seahorse (Hippocampus histrix) Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean
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Alex Mustard / Spiny seahorse (Hippocampus guttulatus) adult female in a meadow of (Zostera marina) seagrass. Studland Bay, Dorset, England, United Kingdom. English Channel, North East Atlantic Ocean.
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Chris Shields / Illustration of Maned seahorse / Long-snourted seahorse (Hippocampus guttulatus)
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Magnus Lundgren / Spiny / thorny seahorse (Hippocampus histrix) with blurred motion, Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean
