Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Pygmy seahorses (Hippocampus bargibanti) are masters of camouflage. They are among the smallest vertebrates, just the size of a thumbnail, and live in coral reefs in the western Pacific. There they ...

Discover the yet-to-be-crowned Close-up Photographer of the Year and the incredible worlds revealed in astonishing detail ...

Pygmy seahorses are fascinating animals. These tiny, colorful seahorses measure less than an inch (2.7 centimeters) and match their body colors and textures to those of the vibrant corals they call ...

Scientists have described a new species of pygmy seahorse that’s colorful and smaller than the average fingernail. The researchers have officially named the tiny seahorse Japan pig, or Hippocampus ...

Before you read this article, pause for a moment and look at the nail on your little finger. That’s about the size of a new species of seahorse discovered in the waters of Sodwana Bay, South Africa, ...

WASHINGTON (CN) - The one-inch long dwarf seahorse may be threatened with extinction by lingering pollution from the Deepwater Horizon oil spill, loss of habitat and overzealous collectors, according ...

(CNN) — Pygmy seahorses, about the size of a fingernail, are some of the smallest vertebrates in the world. First discovered in 1969, little was known about the creatures. But in the early 2000s, ...