Lives among photophilous in the infralittoral. Grazer. « Shell: reaching 2 x 1.8 mm, with 3.5 whorls, low spired with ample body whorl. Protoconch ca. 1 whorl, with faint, irregular, more or less anastomosing raised threads fading towards the distal part. Surface of teleoconch whorls apparently smooth under the stereomicroscope, showing a shagreened surface with irregular, very small punctures under SEM. Body whorl with faint spiral microsculpture around the umbilical area. Umbilicus narrow and deep, bordered by a sharp, white keel, fluted internally. Shell colour: protoconch opaque white. » – S. Gofas: “Notes on some Ibero-Moroccan and Mediterranean Tricolia with description of new species”, Journal of Molluscan Studies (1993), 59, p.353.
On algae at low tide, Algeciras, Andalucia, S. Spain. 2,2mm.
« Colour pattern of teleoconch whorls with pink lines on a translucent background and opaque white areas. Pink lines arranged more or less parallel to the growth lines on early whorls, on the body whorl more or less disrupted and clustered to form a series of subsutural patches. A white surface with wavy contour around the umbilicus, and often also along the suture of the body whorl; a series of smaller opaque white patches on the periphery of the body whorl. »