Mantis shrimp are colorful and surprisingly strong. This one was photographed off Alor, Indonesia. This seahorse was photographed off Alor, Indonesia. These mesmerizing creatures live mostly in tropical shallow waters. This great white shark was photographed 40 feet under the ocean off Guadalupe, Mexico. This pygmy seahorse, only about 2 centimeters tall, was photographed off Lembeh, Indonesia. The Spanish dancer, a type of nudibranch, gets its name from its dance-like swimming movement. This painted frogfish was photographed off Lembeh, Indonesia. Painted frogfish can be hard to spot as they blend in with their surroundings. Blue ribbon eel can live up to 20 years. This one was photographed off Alor, Indonesia. Clownfish live between the stinging tentacles of anemones and are found in warm waters. This one was photographed off Komodo, Indonesia. This octopus was photographed off Komodo, Indonesia. This crab peeking out from under a conch shell was photographed off Komodo, Indonesia.