Plakortis dariae is a species of sea sponge in the order Homosclerophorida, first found in vertical walls of reef caves at depths of about in the Caribbean Sea. This species has diods of two different categories: it possesses large ones (measuring 67âÂÂ112üm long) and small, rare, irregular, curved ones, which are often deformed with one of its ends being blunt (measuring 30âÂÂ59üm long); triods are rare and regular (actines measuring 20âÂÂ44üm long).