Octopus

This remarkable cephalopod doesn't just change color; it physically contorts its body and changes its swimming style to imitate various venomous creatures like sea snakes, lionfish, and flatfish. This incredible mimicry helps it deter predators and hunt prey in the diverse Indo-Pacific waters.

Two hearts pump blood through the gills, while the third circulates it to the rest of the body. Their copper-based blood, hemocyanin, is more efficient at transporting oxygen in cold, low-oxygen environments, giving it a distinctive blue hue.

This master of disguise changes its skin color, texture, and body shape to convincingly imitate venomous sea snakes, lionfish, jellyfish, and even flatfish. This remarkable ability helps it deter predators or ambush unsuspecting prey.

Two hearts pump blood through the gills, while the third circulates it to the rest of the body. This unique circulatory system helps them thrive in low-oxygen deep-sea environments and efficiently deliver oxygen to their muscles.

Unlike most animals, octopuses frequently edit their RNA molecules, allowing them to fine-tune protein functions and adapt to environmental changes in real-time. This remarkable ability bypasses slower genetic mutation processes, contributing to their unique intelligence and survival.