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 ...

If we set aside elephants and blue whales for a moment and shift our focus to the other end of the size spectrum, the world ...

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 ...

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 ...

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, ...

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Graham Short works for Australian Museum and the California Academy of Sciences. David Harasti, Louw Claassens, and Maarten De Brauwer do not work for, consult, own shares in or receive funding from ...

(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, ...