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Description: |
Bright pink to purplish, minutely white-speckled calcareous crust, becoming very thick, usually with abundant regular or irregular branches, free or attached to substratum. Original publication: Kjellman, F.R. (1883). Norra Ishafvets algflora. Vega-expeditionens Vetenskapliga Iakttagelser 3: 1-431, 4 tables, pls 1-31.
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Lithothamnion glaciale have basal crust forming short, stubby, upright, and irregular, bud-like projections (Villalard-Bohnsack 1995). The color range from the pink to red, length can up to 20cm, with many knobby branches. Branches can fused masses several cm deep with pale branch tips(Baker 2012).
Thallus pale have dark pink color with whitish tips (Villalard-Bohnsack 1995). The one in the picture is yellowish color, due to it was dead by the time we found it. |
| Name History |
Adjective B icy, frozen, or glacial; also meaning, growing in icy-cold regions. |
| Biogeography |
In the NE Atlantic from the British Isles north to Arctic Russia including the Faeroe Isles, Iceland and western Baltic. In the NW Atlantic from Cape Cod north to Arctic Canada and Greenland. Also northern Japan and China in the western Pacific. |
| Uses and compounds |
Commercial extraction for use as a soil conditioner on acidic ground, as an animal food additive, for the filtration of acid drinking water and in pharmaceutical and cosmetic products. |
| Habitat: |
On rock, pebbles, shells or free-living, lower intertidal (north-east coasts) and subtidal to deeper waters. |
| Common names: |
In English: Knobby Caralline-Crust Algae |
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