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 ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. From a big overreaction over a little guinea pig to tiny seahorses (so ...

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 ...

In rough, boulder-strewn waters off eastern South Africa, researchers have found a new species: a pygmy seahorse about the size of a grain of rice. The finding shocked them because all seven species ...

(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, ...