Egregia menziesii reaches 8 m. Feather boa kelp, highly branched California brown alga. Unique morphology: feather-like lateral branches, very light and airy appearance. Thick main frond. Rocky intertidal-subtidal zone 0-15 m. Habitat: central to southern California. Less productive than Macrocystis but highly specialized. Sea urchin food, habitat. Least threatened = LC.
Photo of Feather Boa Kelp
Frequently asked questions
How big is the Feather Boa Kelp?
Feather Boa Kelp (Egregia menziesii) reaches 400–800 cm in length.
At what depth can you find the Feather Boa Kelp?
Feather Boa Kelp is found between 0–15 m deep.
Is the Feather Boa Kelp dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Feather Boa Kelp?