Jeff Rotman / Thorny Sea Horses (Hippocampus histrix) on Alcyonarian coral (Dendronephthya sp.). Israel, Red Sea.
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Jeff Rotman / Thorny seahorse (Hippocampus Histrix) on Alcyonarian coral (Dendronephthya sp) Eilat, Israel, Red Sea
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Alex Mustard / Thorny seahorse (Hippocampus hystrix) female is camouflaged within sponges, growing in shallow water, Bima Bay, Sumbawa, Indonesia, Flores Sea.
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Alex Mustard / Thorny seahorse (Hippocampus hystrix) female swimming past a crinoid, Bima Bay, Sumbawa, Indonesia, Flores Sea.
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Jeff Rotman / Spiny / thorny sea horses (Hippocampus hystrix) attached to eel grass, East Australia, Pacific Ocean.
Juergen Freund / Thorny seahorse (Hippocampus hystrix) hiding by a similarly-coloured sponge. Lembeh Strait, North Sulawesi, Indonesia.
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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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Juergen Freund / Thorny seahorse (Hippocampus histrix) on a starfish. Lembeh Strait, North Sulawesi, Indonesia.
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Alex Mustard / A male Thorny Seahorse (Hippocampus histrix) on the seabed next to some hydroids. Tulamben, Bali, Indonesia, Java Sea, August.
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Alex Mustard / A young Thorny Seahorse (Hippocampus hystrix) hides in the "arms" of a feather star (Crinoid). Tulamben, Bali, Indonesia, Java Sea, September.
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Alex Mustard / A female Thorny Seahorse (Hippocampus histrix). Tulamben, Bali, Indonesia, Java Sea, September.
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Juergen Freund / Thorny seahorse (Hippocampus hystrix) well hidden amongst seagrass. Lembeh Strait, Sulawesi, Indonesia
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Sue Daly / Thorny seahorse (Hippocampus histrix) Lembeh Straits, Sulawesi, Indonesia