description Catenella caespitosa Overview
Catenella caespitosa is a small red marine alga, also known as creeping chain weed. It forms dark purple to brown, moss-like mats up to about 2 cm high, with irregularly branched fronds constricted into flattened segments and arising from creeping stolons with discoid attachments. It grows near the upper-tide level on sheltered, shaded rocks, under fucoid seaweeds and in salt-marsh habitats, and it tolerates brackish water. [MarLIN](https://www.marlin.ac.uk/species/detail/1472) [Seaweed.ie](https://www.seaweed.ie/descriptions/Catenella_caespitosa.php)
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