By Bob Goemans
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CPR Aquatics 


Gelidium pusillum

(Stackhouse) Le Jolis 1863

Best Avoided

Range: Widespread throughout the world

Natural Environment: Forms mat-like growths on upper rocky intertidal areas

Aquarium Suitability: This wiry type turf algae likes bright light, very good water movement, and a nutrient rich environment. Its best to remove this nuisance species on anything that might enter the aquarium, as it may spread and crowd out other desired growths in the aquarium. A difficult species to eradicate once it gets a foothold in the aquarium.

 Gelidium pusillum ()
Photo © Bob Goemans
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