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Caulerpa Algae

Commonly called Feather, Grape, and Razor Algae, learn to identify, propagate and control Caulerpa species macroalgae in saltwater aquarium systems.
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Caulerpa Algae
Commonly called Feather, Grape, and Razor Algae, learn to identify, propagate and control Caulerpa species macroalgae in saltwater aquarium systems. While most Caulerpa alga species are considered beneficial in a saltwater aquarium, Feather Caulerpa is one species which is choking out endemic sealife wherever it takes hold.

The Chlorophyta Phylum
The Chlorophyta Phylum - Cup and Brush Macroalgae Species - Information about the identification and characteristics of green calcified Cup and Brush Macroalgae species.

Caulerpa Algae Profile
Members of the Chlorophyta phylum or green algae group, learn about the overall characteristics, identification, care and more about Caulerpa macroalgae, of which Feather and Grape species are the most popular varieties cultivated by saltwater aquarists.

Killer Feather Caulpera Strain Spreading
An in depth look at the dangerous cultured strain of Mediterranean Feather Caulerpa that got loose in the wild and is showing up on sea beds around the world, which is choking out endemic sealife wherever it takes hold.

Caulerpa Algae of Hawai'i
Browse this key of common Caulerpa species listings from the UH Manoa Botany Department site to view photos and read brief descriptions on the variety of species of these green macroalga that are found in Hawai'i to help identify them.

Hawaiian Feather Caulerpa sp. Profile
This green alga is a native of Hawai'i, and is quite common throughout the world. The Hawaiian version is small and delicate and grows in small patches in quiet, warm waters on reef flats. View photos and learn all about Caulerpa sertularioides with this profile from the UH Botany Department.

Hawaiian Feather Caulerpa sp. Profile
This is a native alga of Hawai‘i, where it has not demonstrated any invasive tendencies. However, this common green alga has gained wide notoriety from its large outbreaks after accidental introduction in the Mediterranean and California. View photos and learn all about Caulerpa taxifolia with this profile from the UH Botany Department.

Feather Caulerpa sp. Photo
A photo from the National Museum of Natural History, Smithsonian Institution's Algae Classification page of the green macroalga species Caulerpa sertularioides commonly known as Feather Caulerpa.

Feather Caulerpa sp. Photo - Killer Stain
From the NOAA National Marine Fisheries Service's Southwest Region site, a close-up photo of the noxious Caulerpa taxifolia stain that was genetically mutated in captivity, then accidentally released into the wild where it has become a threat to sea beds around the world.

Grape Caulerpa sp. Photo
A photo from the National Museum of Natural History Smithsonian Institution's Algae Classification page of the macroalga species Caulerpa racemosa of the paltata variety, commonly known as Grape Caulerpa.

Razor Caulerpa sp. Photo
A photo from the National Museum of Natural History, Smithsonian Institution's Algae Classification page of the smooth-edged species of Caulerpa paspaloides of the laxa variety, commonly known as Razor Caulerpa.

Razor Caulerpa sp. Photo
A photo from the National Museum of Natural History Smithsonian Institution's Algae Classification page of the smooth-edged species Caulerpa paspaloides of the compressa variety, commonly referred to as Razor Caulerpa.

Razor Caulerpa sp. Photo
A photo from the National Museum of Natural History Smithsonian Institution's Algae Classification page of the smooth-edged species Caulerpa paspaloides, commonly called Razor Caulerpa.

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