Here are five photos that beautifully illustrate why ... Despite what might seem logical, a group of fish swimming in synchronization can actually be quieter than a single fish swimming alone.

Explore the beauty of aquatic life in this video as fish and crabs are caught in their natural habitat. Watch the incredible underwater world unfold, with colorful fish swimming and crabs moving ...

WATCH: Scientists film a species of snailfish swimming at an extraordinary depth, seen here in the first 15 seconds (later fish are at a slightly shallower depth) UWA/Caladan Oceanic Scientists ...