Explainer

What are Seagrasses?

Learn more about the only flowering plants that live fully submerged in seawater
Text by: Phalguni Ranjan Design by: Diviya Mehra
Updated   June 03, 2026
Text by: Phalguni Ranjan Design by: Diviya Mehra
Updated   June 03, 2026
2 min read
Learn more about the only flowering plants that live fully submerged in seawater
Listen Listen to this article 15:34 min
Explainer on seagrasses

Do seagrasses have flowers?

Yes, seagrasses are the only flowering plants that live fully submerged in seawater.

Where are seagrasses found?

Seagrasses prefer shallow, clear coastal waters where sunlight reaches the sea floor.

Why are seagrasses important?

Seagrasses are critical blue carbon ecosystems. They can sequester carbon 35x faster than some tropical rainforests.

What is seagrass used for?

Neanderthals were using seagrasses for bedding 1,80,000 years ago.

What animals live in seagrass?

Fish, crabs, sea turtles, dugongs, seahorses, molluscs, and even some birds rely on seagrass meadows for food, shelter, or breeding grounds.

About the Authors

Phalguni Ranjan

Phalguni Ranjan

Drawing on her previous experience with outreach creatives, marine research, and communications to guide her, Phalguni uses words, art, and visuals to help people connect with wildlife and nature.