Definitions for acanthus mollis. Here are all the possible meanings and translations of the word acanthus mollis. Princeton's WordNet(0.00 / 0 votes)Rate this definition: bear's breech, bear's breeches, sea holly, Acanthus mollis(noun) widely cultivated southern European acanthus with whitish purple-veined flowers.
Best Answer: The Heterokontophyta (Phaeophyta or brown algae, singular: brown alga) is a large group of mostly marine multicellular algae, including many seaweeds of colder Northern Hemisphere waters.They play an important role in marine environments both as food, and for the habitats they can form.est Answer: The Heterokontophyta (Phaeophyta or brown algae, singular: brown alga) is a large group of mostly marine multicellular algae, including many seaweeds of colder Northern Hemisphere waters.
Perhaps the most popular freshwater algae eater fish are the sucker mouth catfish including Plecostomus (Plecos) and Otocinclus (Otos). While they do a good job on most forms of green and brown algae, especially algae on the tank walls, their mouths are not equipped with rasps that are strong enough to remove stuck on algae from tank walls.