Why do seahorses change colors?

Seahorses change colors to camouflage themselves from predators and to communicate with other seahorses. Their color changes are caused by special cells in their skin called chromatophores. Chromatophores contain pigments of different colors, and when they are stimulated, they can expand or contract to change the color of the skin.

Seahorses can change colors very quickly, which helps them to avoid predators. They can also use color changes to attract mates. For example, male seahorses of the species Hippocampus zosterae will turn bright blue during the breeding season to attract females.

In addition to camouflage and communication, seahorses may also change colors in response to changes in their environment or physiological state. For example, some seahorses will turn pale when they are sick or stressed.

The ability of seahorses to change colors is a fascinating adaptation that helps them to survive and reproduce in their environment.