Bluegreen Seaweeds

Division Cyanophyta

 

HAWAII

Lyngbya majuscula

Ft. Kamehameha, Oahu, 3 feet

Abundant on reefs or tangled to other seaweeds.  Produces toxin that causes skin, eye, and respiratory irritation if handled or washed ashore.  Also known as Stinging Limu.

Calothrix confervicola

Black Point, Oahu

Occasional in shallow water as an epiphyte.  Dark greenish black in color.

Symploca hydnoides

Makapu'u tidepool, Oahu

Makapu'u tidepool, Oahu

Common in shallow water exposed to wave action.

Leptolyngbya crosbyana

Makapu'u tidepool, Oahu

 

Makapu'u tidepool, Oahu

Kahe Point, Oahu, 20 feet

Forms a solid lump with white tissue within on shallow reefs exposed to wave action.

Not yet identified

Kahe Point, Oahu, 20 feet

Kewalo, Oahu, 75 feet

Portlock, Oahu, 20 feet

Seasonally abundant on dead coral, rubble, or sand at scuba depths.  Color variable.

Not yet identified

Kewalo, Oahu, 75 feet

 

Kewalo, Oahu, 75 feet

Baby Barge, Oahu, 75 feet

Common on dead coral & rubble at scuba depths.  Very thin & soft, easily broken.

 

 

Text and photographs are copyrighted property of Keoki and Yuko Stender unless otherwise indicated.  No part of this website may be used without permission of the authors.  Images may not be used for any purpose without express permission of the photographers.