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.