Ophiura albida is a species of brittle star in the order Ophiurida. Ophiothrix fragilis is a species of brittle star in the order Ophiurida. Ophiopsila aranea is a species of brittle star belonging to the family Ophiocomidae. Amphiura filiformis is a species of brittle star belonging to the family Amphiuridae. The Trilobite Cryptolithus and the brittle star Protasterina are common the Swatara Gap area. This brittle star has a circum-boreal distribution. This brittle star usually spawns between May and January. They are then straightened as the brittle star raises itself onto the points. This brittle star hosts at least two species of ectoparasites. This colouration makes the brittle star inconspicuous when viewed against its typical background. This brittle star occurs from the intertidal zone down to about . Ophionereis reticulata, the reticulated brittle star, is a brittle star in the family Ophionereididae. The common brittle star is a scavenger, feeding on dead organisms. A living species with similar lenses is the brittle star "Ophiocoma wendtii". By repeating these actions, the brittle star can creep forward at up to per minute.