red algal crusts
Encrusting calcareous/hard red algae

PHOTO CREDIT: https://www.inaturalist.org/taxa/183033-Hildenbrandia-rubra

Other images: ‘/images/hiru_2.jpg’

Distinguishing features: Deep red or brown-ish crust growing synonymous to rocks or hard surfaces. Very thin and without surface markings.

Easily confused species and differentiation: URFC


Extended Description:

[WORMS page]https://www.marinespecies.org/aphia.php?p=taxdetails&id=145712#images