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Related FAQs: Green Macro-Algae, Green Macro-Algae 2Green Macro Algae 3Green Macro-Algae 4, & Chlorophyte Identification, Green Macro-Algae ID 2, Green Macro-Algae ID 3, Green Macro-Algae ID 4, Green Macro-Algae ID 5, Green Macro Algae ID 6, Green Macro Algae ID 7, Green Macro Algae ID 8, Chlorophyte Behavior, Chlorophyte Compatibility/Control, Chlorophyte Selection, Chlorophyte Systems, Chlorophyte Nutrition, Chlorophyte Disease, Chlorophyte Reproduction/Propagation, Green Algae Control 1, Green Algae Control 2, Green Algae Control 3, Green/Hair Algae Control 4, Green/Hair Algae Control 5, Green Algae Control 6, Green Algae Control 7, & By Genus: Bryopsis & Derbesia, Bubble Algae (Boergesenia, Dictyosphaeria, Valonia...), Caulerpa Compatibility/Control, Caulerpa Compatibility/Control 2, Chaetomorpha, Halimeda, Neomeris, Hair (Filamentous, Attached) Algae, Green Water  (Planktonic) Algae Blooms, & CaulerpasCaulerpa 2, Caulerpa 3Caulerpa 4Caulerpa Identification, Caulerpa Behavior, Caulerpa Compatibility/Control, Caulerpa  Selection, Caulerpa Systems, Caulerpa Nutrition, Caulerpa Disease, Caulerpa Reproduction/Propagation, Green Algae Control 1Marine Algae ID 1, Marine Algae ID 2, Marine Algae Control FAQs II, Marine Algaecide Use, Nutrient Limitation, Marine Algae Eaters, Culturing Macro-Algae; Controlling: BGA/Cyano, Red/Encrusting AlgaeBrown/Diatom Algae

Related Articles: Embracing Biodiversity, Green Algae By Mark E. Evans, Caulerpas, Refugiums, Macro-Algae of the Caribbean and FAQs about themAvoiding Algae Problems in Marine System, Algae Control, Marine Maintenance, Nutrient Control and Export, Marine Scavengers, Snails, Hermit Crabs, Mithrax/Emerald Green Crabs, Sea Urchins, Blennies, Algae Filters, Ctenochaetus/Bristle Mouth Tangs, Zebrasoma/Sailfin Tangs, Skimmers, Skimmer Selection, Marine Algae, Coralline Algae, Green Algae, Brown Algae, Blue-Green "Algae"/(Cyanobacteria)Diatoms, Brown Algae

/The Conscientious Marine Aquarist

Macro Green Algae, the Larger Chlorophyta, Part 2

To: part 1, part 3, part 4, part 5,

By Bob Fenner Halimeda copiosa

New Print and eBook on Amazon

Marine Aquarium Algae Control

by Robert (Bob) Fenner


Halimeda discoidea, Large Leaf Watercress Alga. To eight inches tall, 1" segments. Disk-like segments joined by flexible joints. A commonly occurring species in the tropical West Atlantic, and extensively used in marine aquariums. Bahamas pic.

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Halimeda goreaui W. Taylor, Small Leaf Hanging Vine. Tropical West Atlantic. To a foot in length, segments to 1/4" diameter. Chains of linear small (4 mm.), three-lobed segments. Grow in subdued lighting. Bahamas pic. 

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Halimeda incrassata (Ellis) Lamouroux. Erect, light green of heavily calcified disc-like inflexible segments. Roatan 2017

Halimeda macroloba N. Sulawesi images of healthy and calcium carbonate skeleton remnant colonies. 

Halimeda monile 3-8 inches tall. Here in Jamaica.  

Halimeda opuntia, Cactus Coralline Algae. Kidney shaped w/ a raised mid-rib. Batches to about 15 cm. in width. Most widespread species in the genus. Here in Raja Ampat 08.

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Halimeda scabra, Robust Leaf Alga. To ten inches in height. Thick, green blades with lighter yellowish edges. Roatan 2019.

Halimeda tuna, Stalked Lettuce Leaf Alga. To ten inches in height, 3/4" segments. Tropical West Atlantic. Stalked uniplanar colonies which branch as they grow outward. Cozumel image by Di.F.

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New Print and eBook on Amazon

Marine Aquarium Algae Control

by Robert (Bob) Fenner

To: part 1, part 3, part 4, part 5,

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