5 interesting facts you probably don’t know about the Red Sea

Estimated reading time: 4 minutes

The Red Sea is famous for one of the most well-known stories in the Bible—Moses parting its waters to lead the Israelites to safety. This miraculous event might be the first thing that comes to mind, but the Red Sea has a lot more to offer beyond its biblical significance.

Located between Africa and Asia, it’s a region packed with history, natural beauty, and some surprising characteristics.

Here are five fun and lesser-known facts about the Red Sea that will make you want to learn even more!

1. It’s not actually red

Despite its name, the Red Sea isn’t red at all! In fact, its waters are clear blue. So where did the name come from? It’s believed that the name “Red” may have come from a type of algae called Trichodesmium erythraeum that sometimes blooms in the sea, giving the water a reddish tint. Some historians also say it could be linked to the red mountains surrounding the sea or possibly even ancient language translations. Either way, don’t expect to see red water on your visit!

2. It’s one of the world’s saltiest Seas

Ever notice how easy it is to float in the sea? Well, that’s because the Red Sea is one of the saltiest bodies of water on Earth. Its salt concentration is higher than many other seas, mostly because it’s located in a hot and dry region, with very little rainfall and rivers to dilute it.

This high salt content not only makes floating easier but also creates a unique ecosystem of marine life that can survive in these conditions.

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3. The Red Sea has some of the best diving spots in the world

If you’re into snorkeling or scuba diving, the Red Sea is a dream come true! It’s home to over 1,200 species of fish, and around 10% of these are found nowhere else on the planet. With its vibrant coral reefs, crystal-clear water, and diverse marine life, it’s one of the most beautiful underwater paradises.

Divers from all over the world flock to spots like Ras Mohammed, Blue Hole, and the SS Thistlegorm shipwreck to explore the rich underwater world.

4. It’s home to the world’s northernmost tropical coral reef

Coral reefs are usually found in warm tropical waters, but did you know that the Red Sea is home to the world’s northernmost tropical coral reef?

A coral reef is a special underwater environment made up of corals. Corals are tiny animals called coral polyps, and they live together in groups. These polyps create a hard structure using calcium carbonate, which holds them together. Most coral reefs are formed by a type of coral called stony corals, which grow in clusters.

This reef is located in the northern part of the sea, near Egypt’s Sinai Peninsula. Because the Red Sea is relatively warm throughout the year, it allows tropical marine life to thrive even in areas closer to the northern hemisphere, which is rare for coral reefs.

5. The Red Sea played a big role in history

From ancient civilizations to modern trade routes, the Red Sea has always been significant. It’s believed that ancient Egyptians used it for trade as far back as 3,000 BC. It was also famously crossed by Moses in the biblical story of the Exodus. Today, the Suez Canal connects the Red Sea to the Mediterranean Sea, making it one of the most important maritime routes for international trade. Ships carrying goods from Asia to Europe pass through here, saving days of travel by avoiding the long route around Africa.

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