Seagrass

Superpower

Locks away 'blue carbon' in the seabed far faster than a rainforest.

At a glance

Size

typically 50 cm, up to 120 cm

Depth

0–10 m

Habitat

Shallow, sheltered coastal bays and estuaries with sandy seabeds.

Diet

Photosynthesises sunlight; absorbs nutrients through roots and blades.

Can I eat it?

No — this one is not eaten.

Fun facts

• •Seagrass is a true flowering plant, not a seaweed — it has roots, flowers and seeds.
• •Seagrass meadows are nurseries for many reef fish and seahorses.
• •One of the largest living things on Earth is a seagrass clone in the Mediterranean.