Why White Seaweed Is Rare
Most seaweed is green, red, or brown:
These colors come from pigments like chlorophyll, phycoerythrin, and fucoxanthin, which are needed for photosynthesis.
White pigmentation doesn’t help absorb sunlight for energy, so it’s not useful for living seaweed.
White seaweed is usually dead or bleached:
Sunlight, salt, or drying processes can bleach seaweed, turning it pale or white — but this usually means it's no longer alive or edible.
This kind of seaweed may wash up on shores, but it’s not a distinct species.
Exception – Processed or Specialty Products:
Some dried sea moss (Irish moss) or agar products may appear white or off-white. These are usually processed from red algae and bleached intentionally.
These are rare in nature but common in commerce, especially in Caribbean and health food markets.
So in summary:
Living white seaweed is extremely rare.
This explains large invasion of Green Sea Turtles
The rarity within Seaweed and food source. Will collect more data
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